Quality Transmission Components 125 Railroad Avenue • Garden City Park • New York 11040 USA Phone: 516.437.6700 • FAX: 516.328.3343 www.qtcgears.com • E-mail: [email protected] Handbook of Metric Gears Q420 This catalog is published in cooperation with Kohara Gear Industr y Co. Ltd. located at 13-15 Naka-cho, KawaguchiShi, Saitama-Ken 332-0022 Japan. Their web address is: h t t p : / / w w w. k h k g e a r s . c o . j p / e n g l i s h / i n d e x . h t m l . Note: We reser ve the right to make changes & corrections without notice. Every effort has been made to provide accurate technical and product information. The company disclaims any responsibility for any errors or omissions regarding the technical and product information published. Please consult our online catalog for the most up-to-date listing of products and specifications. © 2007 Quality Transmission Components. All rights reser ved herein and no por tion of this catalog may be reproduced without prior consent in writing from the company. I Company History Started in 1993, Quality Transmission Components is an operating division of Designatronics, Inc. Since its inception in 1960, Designatronics serves a worldwide customer base in excess of 15,000 firms ranging from Fortune 100 companies to individual inventors. The company occupies 139,000 sq. ft. of warehouse and manufacturing space on Long Island, New York. In 1993, the combination of an ever-increasing demand for metric gears and a strong growth in demand for power transmission products spawned Quality Transmission Components. Designatronics capitalized on its relationship with Kohara Gear (KHK), and Quality Transmission Components became the exclusive North American distributor of their complete product line. In 2006, Quality Transmission Components shipped over 30,000 metric gears to users, making us the largest supplier of stock metric gears in the United States. In 2000, Quality Transmission Components saw the opportunity to expand our product line. We added the Zetasassi line of belt and chain tensioners. We then added neoprene timing belts, aluminum, steel and nylon timing pulleys, roller chain and planetary gearheads. We also became a distributor of Davall Stock Gears representing their inch gear line in the North American marketplace. All of these products are marketed under the Econobelt™ brand name. Quality Transmission Components' selection of off-the-shelf power transmission components now includes almost 13,000 items including: • • • • • • • • • • • • Metric Metric Metric Metric Metric Metric Metric Metric Metric Metric Metric Metric Spur Gears Helical Gears Ring Gears (Internal & External) Racks (Straight, Helical & Flexible) Miter Gears (Straight & Spiral) Bevel Gears (Straight & Spiral) Screw Gears Worms & Worm Wheels (Standard & Duplex) Ratchets & Pawls Gear Couplings Involute Splines (Internal & External) Gearboxes II Company History • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • MXL Timing Belts (Neoprene) XL Timing Belts (Neoprene) L Timing Belts (Neoprene) HTD3 Timing Belts (Neoprene) HTD5 Timing Belts (Neoprene) HTD8 Timing Belts (Neoprene) AT5 Timing Belts (Neoprene) AT10 Timing Belts (Neoprene) T2.5 Timing Belts (Neoprene) T5 Timing Belts (Neoprene) T10 Timing Belts (Neoprene) MXL Timing Pulleys (Steel & Aluminum) XL Timing Pulleys (Steel, Nylon & Aluminum) L Timing Pulleys (Steel, Nylon & Aluminum) HTD3 Timing Pulleys (Steel, Nylon & Aluminum) HTD5 Timing Pulleys (Steel, Nylon & Aluminum) HTD8 Timing Pulleys (Steel, Nylon & Aluminum) AT5 Timing Pulleys (Steel & Aluminum) AT10 Timing Pulleys (Steel & Aluminum) T2.5 Timing Pulleys (Steel & Aluminum) T5 Timing Pulleys (Steel & Aluminum) T10 Timing Pulleys (Steel & Aluminum) Tensioner Arms Belt Tensioners Chain Tensioners Idlers Rollers Sprockets (ISO Class) Roller Chains (ANSI & ISO Class) Diametral Pitch Spur Gears Diametral Pitch Racks Diametral Pitch Miter Gears (Straight & Spiral) Diametral Pitch Bevel Gears (Straight & Spiral) Diametral Pitch Worms & Worm Wheels Planetary Gearheads Belt Tension Meters All of the products listed in bold are available from this catalog. The other products are detailed on our Web site, www.econobelt.com and the print catalog Q460. QTC PART NUMBERS For internal processing purposes, QTC part numbers, listed in this catalog, will have a "K" prefix listed on all paperwork. This "K" does not appear in the catalog, but will appear in our online eStore and on all of our 3D CAD drawings. III Table of Contents Page 1 • Spur Gears........................................................................... 25 2 • Helical Gears...................................................................... 129 3 • Internal Gears..................................................................... 147 4 • Racks.................................................................................. 153 5 • CP Racks & Pinions........................................................... 179 6 • Miter Gears......................................................................... 193 7 • Bevel Gears . ..................................................................... 227 8 • Screw Gears....................................................................... 277 9 • Worm Gear Pairs................................................................ 291 10 • Other Products................................................................... 349 Elements of Metric Gear Technology . ........................................T1 Appendix......................................................................................A1 IV Terms and Conditions of Sale CREDIT: Bank and three trade references are required for new accounts. Until the account is approved, the Seller may require cash in advance, payment by approved credit card or C.O.D.; C.O.D. orders are subject to an additional handling charge. As used herein, "Seller" means Quality Transmission Components. "Buyer" means any person ordering goods from Seller after March 31, 2006; and "person" means any individual, corporation, company or other entity. ORDERING: Goods may be ordered by: (a) Telephone to: (516) 437-6700 (b) Fax to: (516) 328-3343 (c) Mail to: 125 Railroad Avenue, Garden City Park, NY 11040-5016 (d) UPS/other courier to: same as above (e)E-mail to: [email protected] TERMS: For open accounts, terms are net 30 days, F.O.B. our plant. Open accounts are invoiced for goods/freight when shipped. Seller accepts VISA®, Master Card ®, American Express ®, and Discover ®. Buyers paying by credit card are charged for goods/freight when shipped, subject to credit card approval. All past due amounts shall bear interest at one and one-half percent (1.5%) per month or the highest legal rate, whichever is less; and Seller may recover all costs, including attorneys' fees, incurred to collect any past due amount. Office hours are 9am – 5pm, EST, Monday – Friday. You may fax (516) 328-3343 or E-mail to: qtcsuppor [email protected] at any time. When ordering, specify part numbers, quantities, desired delivery date and shipping method. For larger production quantities, Seller will provide written quote of price and delivery on request. Seller will provide current price/stock status on any catalog item by telephone or fax request. Quotes for modified catalog parts or custommade parts are available on request. Please send sketches or prints. SHIPMENT; RISK OF LOSS: Seller will ship goods as directed by the Buyer or determined by the Seller, usually UPS, DHL or FedEx; in any case at the Buyer's expense. Seller will endeavor to meet promised delivery dates. Buyer shall bear all risk of loss and damage after goods are delivered to carrier, including any loss or damage in transit. MINIMUM ORDER: Orders shipping to addresses within the USA, $50 + freight. Orders shipping outside of the USA, $75 + freight. There is an additional charge of $10.00 for orders below the minimum. There is no minimum order size for eStore online orders. RETURNS; EXCHANGES; SHORTAGES: Buyer must get return authorization in writing. Seller must approve returns and exchanges in writing. Returns must be requested within 15 days after receipt of goods. Returned goods will be inspected and a restocking charge may be made. No credit will be allowed on custom-made, used or modified parts or parts purchased on a quantity basis. Shortages must be reported within 10 days after receipt; and if so reported, Seller will make up shortages at its cost. PRICES: Prices shall be as in effect at time of purchase order or as agreed to in writing by Seller. Prices listed in its catalog or elsewhere are subject to change without notice. Please contact Seller to confirm price. Prices do not include freight, duties, special handling, certification, insurance or taxes, which are all the Buyer's responsibility. V Terms and Conditions of Sale it designates. BUYER SHALL HAVE NO OTHER REMEDY AGAINST THE SELLER, AND ALL OTHER REMEDIES ARE WAIVED, INCLUDING ANY RIGHT TO RECOVER C O N S E Q U E N T I A L O R I N C I D E N TA L DAMAGES. The limited warranty set forth above and these remedies shall extend only to Buyer and not to any subsequent buyer or user of the goods. In no event shall Seller's liability for breach exceed the price paid for by the goods by Buyer. TECHNICAL & PRODUCT INFORMATION: Seller disclaims responsibility for errors or omissions in any technical or product information contained in its catalogs or other sales materials. Buyer is solely responsible for determining if goods are suitable for purposes intended by Buyer and its customers and future users. LIMITED WARRANTY: Seller warrants that all goods it sells will be free from material defects in manufacturing and workmanship by Seller: PROVIDED THIS LIMITED WARRANTY SHALL EXPIRE ONE (1) YEAR AFTER SHIPMENT F.O.B. OUR PLANT (the "Warranty Period") AND SHALL NOT APPLY: GOVERNING LAW; EXCLUSIVE JURISDICTION: This contract shall be governed by the substantive laws of New York, without regard to choice of law principles. The State and Federal Courts in Nassau County, New York, shall have the exclusive jurisdiction and venue to adjudicate rights and duties under this contract. (a) unless Seller receives written notice of the breach of warranty within 30 days after discovery of the defect or nonconformance and in any event within the one (1) year Warranty Period; and (b) to any goods which have been (i) repaired, altered or improperly installed, (ii) subject to improper storage, (iii) damaged during or after transit, (iv) used or incorporated with or into any other product, machine or equipment after Buyer or anyone using the goods has, or reasonably should have, knowledge of the defect or nonconformance, or (v) manufactured, fabricated to assembled by anyone other than Seller. PERIOD OF LIMITATIONS: An action for breach of this contract, including breach of the limited warranty set forth above, or any other action relating to goods shipped by Seller or ordered by Buyer, must be commenced within one (1) year after the cause of action accrued. MISCELLANEOUS: All orders placed with Seller after March 31, 2006, constitutes acceptance of these Terms and Conditions. All conflicting, inconsistent and additional terms and conditions are rejected unless contained in writing and signed by an officer of Seller. Buyer may not assign any rights or remedies under this contract without Seller's prior written consent. If any part or provision of these Terms and Conditions is held to be invalid or unenforceable, such part or provision shall be deemed omitted, and that shall not affect the validity or enforceability of any other part or provision hereof. These Terms and Conditions may be found at: ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, ARE DISCLAIMED. BUYER'S REMEDIES: At Sellers option, if it breaches the warranty set forth above, it may either (a) repair or replace defective or nonconforming goods or parts or (b) repay the price it received for goods, whichever it elects. As a condition precedent to either remedy, Buyer shall have paid the price of the goods and made them available for inspection at Buyer's place or business or returned them at Seller's request and cost and by the carrier www.qtcgears.com/eStore/termsofuse.aspx. VI Part Number Index AG0 AG1AG2 AG3AG4AG5AG6AGDL2AGDL2.5AGDL3AGDL3.5AGDL4AGF2 AGF3AGF4AGF5AGF6AN ARLBB BG0.8BG1BG1.25BG1.5BG2BG2.5BG3BG4BG5BG6BSR BSS0 CBXCG1CG1.5CG2CG2.5CG3CG4CG5CG6DB DM DR DS0 DS1DSL0.5DSL0.8DSL1FRCP5GC KBXKHG1KHG1.5KHG2KHG2.5KHG3KRCPF KRF KRG KRGCP 310 312, 320 322 324 324 326 326 300 302 304 306 308 314 316 316 318 318 286 174 226, 266 328 328 330 330 332 334 336 338 340 342 172 126 364 328 330 332 334 336 338 340 342 266 226 174 122 124 104 106 106 192 352 360 134 136 138 140 142 188 165 162 184 KRGCPD KRGCPF KRGD KRGF KRHG KRHGF KSP KTSCP KWG0 KWG1 KWG2 KWG3KWG4KWG5KWG6KWGDL2KWGDL2.5KWGDL3KWGDL3.5KWGDL4KWGDLS2KWGDLS2.5KWGDLS3KWGDLS3.5KWGDLS4LM LS0 MBSA MBSB MBSG MHP1 MM MMS MMSA MMSB MMSG MSGA1MSGA1.5MSGA2MSGA2.5MSGA3MSGA4MSGB1MSGB1.5MSGB2MSGB2.5MSGB3MSGB4NSU1NSU1.5NSU2NSU2.5NSU3PB PBXPG1 PG2 PG3PM PN PR PRF PS1PS1.5PS2PS2.5PS3PSA2PSA2.5PSA3PU SAM SB SBS SBSG SBY5SBY6SBY8SH SI SIR SM SMA SMB SMC SMS SMSG SN1SN2SN2.5SN3SN4SR SRCP SRCPF SRCPFD SRF SRFD SRGF SRH SRO SROCP SROS SRSSRT SRTB SS1SS1.5SS10SS2SS2.5SS3SS4SS5SS6SS8SSA1 SSA2 SSA3SSA4SSA5SSAY0.8-../K.. 184 184 162 162 176 176 270-275 182 310 312 314 316 316 318 318 300 302 304 306 308 300 302 304 306 308 216 92 240-246 240-246 236 234 216 206 204 204 200 34 36 38 40 42 44 34 36 38 40 42 44 108 110 110 112 112 264 368 344 346 346 224 288 173 VII 173 116 118 118 120 120 118 120 120 114 220 252-260 248, 250 238 258 258 254, 256 144 150 151,169 218 212, 214 212, 214 212 208, 210 202 280 280 282 282 282 166 188 188 188 167 168 164 178 175 192 175 174 350 350 60 62 74 64 66 68 70 72 74 74 76 78 80 80 80 88 SSAY1 SSAY1-../K.. SSCP SSCPG SSCPGS SSG1SSG1.5SSG2SSG2.5SSG3SSG4SSGS SSR SSR SSY0.8SSY1SSY1.25STRCPF SUB SUM SUN SUR SURCPF SURCPFD SURF SURFD SURO SUS1 SUS2 SUS3SUS4SUSA2 SUSA3SUSA4SUSCP SUSL0.5SUSL0.8SUSL1SUW1 SUW2 SUW3SV SVI SW0.8SW1SW1.25SW1.5SW2SW2.5SW3SW4SW5SW6SWG1 SWG2 SWG3SWG4SWG5SWG6- 86 90 186 184 184 46 48 50 52 54 56 58 127 168 82 82 84 182 262 222 284 170 190 190 170 170 175 94 96 98 98 96 98 98 190 100 102 102 344 346 346 354 355 328 328 330 330 332 334 336 338 340 342 320 322 324 324 326 326 Q420 INDEX 1. Parallel Axes Gears PICTORIAL INDEX OF SPUR, HELICAL AND INTERNAL GEARS MSGA(B) Ground Spur Gears SPUR GEARS SSA Steel Hubless Spur Gears m1~4 Page 34 SSY Steel Thin Face Spur Gears SSG Ground Spur Gears Page 46 m1~4 SSAY Steel Hubless, Thin Face Spur Gears SSGS Ground Spur Pinion Shafts m1.5~3 Page 58 SSAY/K Spur Gears with Built-In Clamps SS Steel Spur Gears m1~10 Page 60 LS Sintered Metal Spur Gears New Products m1~5 Page 76 SUS . SUSA Stainless Steel Spur Gears m1~4 Page 94 PS and PSA Plastic Spur Gears m1~3 Page 116 m0.8~1.25 Page 82 SUSL Stainless Steel Fairloc Hub Spur Gears m0.5~1 Page 100 DS Injection Molded Spur Gears m0.5~1 Page 122 KHG Ground Helical Gears HELICAL GEARS INTERNAL GEARS m1~3 Page 134 m1~1.25 Page 86 DSL Acetal Fairloc Hub Spur Gears Page 104 m0.5~1 Page 88 NSU Plastic Spur Gears with Steel Core m1~3 Page 108 BB Sintered Metal Bushings BSS Brass Spur Gears Ø 5~8 m0.5~0.8 Page 124 SH Helical Gears Page 144 m2~3 SI Internal Gears SIR Ring Gears (Internal) m1~3 m2~3 Page 150 m0.8~1 Page 151 VIII Page 126 m0.5~0.8 Page 92 PU Plastic Spur Gears with Stainless Steel Core m1~2 Page 114 SSR Steel Ring Gears (External) m2~3 Page 127 Contents Parallel Axes Gears PICTORIAL INDEX OF RACKS AND CP RACKS Please request catalogs by e-mail or fax. KRG(F) Ground Racks KRGD Ground Racks SRGF Ground Racks KRF Racks with Machined Ends New Products RACKS SR(F) Racks m1~10 m1~3 Page 162 SRFD Racks with Bolt Holes Page 166 m1.5~6 Page 168 SURFD Stainless Steel Racks New Products BSR Brass Racks m1.5~4 m0.5~1.25 Page 170 SRO Round Racks m1~6 Page 175 Page 172 SROS Round Racks m1~3 Page 175 KTSCP Tapered Pinions STRCPF Tapered Racks CP RACKS & PINIONS SRCP(F)(D) CP Racks CP2.5~20 Page 188 CP5,CP10 Page 182 KRCPF CP Thermal Refined Racks CP5,CP10 Page 188 Page 162 m1~3 SSR Corner Racks (External) Page 168 m2~3 PR(F) Plastic Racks Page 173 m1~3 SURO Stainless Steel Round Racks Page 175 m1~3 SSCPG(S) CP Ground Spur Gears Page 184 CP5,CP10 SUSCP CP Stainless Spur Gears SURCPF(D) CP Stainless Steels Racks New Products Page 190 CP5,CP10 IX m1.5~4 Page 164 SIR Corner Racks (Internal) m2~3 Page 169 DR Molded Flexible Racks m0.8~2 Page 174 KRHG(F) Ground Helical Racks m1~3 Page 176 KRGCP(F)(D) CP Ground Racks CP5,CP10 Page 184 SROCP CP Round Racks CP2.5~10 Page 192 m1.5~5 Page 165 SUR(F) Stainless Steel Racks m1~4 Page 170 ARL Rack Guide Rails SRS Rack Clamps m0.8~2 Page 174 SRH Helical Racks m2~3 Page 178 SSCP CP Spur Gears CP2.5~CP20 Page 186 FRCP CP Metal Flexible Racks CP5 Page 192 Q420 INDEX 2. Intersecting Axes Gears PICTORIAL INDEX OF MITER AND BEVEL GEARS Nissei KSP Ground Spiral Miter Gears MMSG Ground Spiral Miter Gears SMSG Ground Spiral Miter Gears MMSA(B) Finished Bore Spiral Miter Gears New Products MITER GEARS MMS Spiral Miter Gears m2~5 Page 206 SM Miter Gears m1~8 Page 218 m1.5~6 Page 270 SMS Spiral Miter Gears m1~8 Page 208 SAM Angular Miter Gears m1.5~3 Page 220 MHP High Ratio Hypoid Gears Page 200 m2~4 SMA(B)(C) Finished Bore Miter Gears Page 212 m1~8 SUM Stainless Steel Miter Gears Page 222 m1~3 Nissei KSP Ground Spiral Bevel Gears m2~5 Page 202 MM Carburized & Hardened Miter Gears m2~5 Page 216 PM Plastic Miter Gears m1~4 Page 224 m1~10 Page 204 LM Sintered Metal Miter Gears m0.8~1.5 Page 216 DM Injection Molded Miter Gears m0.5~1.5 Page 226 MBSG Ground Spiral Bevel Gears SBSG Ground Spiral Bevel Gears m2~4 Gear Ratio 2 m2~4 Gear Ratio 1.5~3 New Products BEVEL GEARS m1~1.5 Gear Ratio 15~200 Page 234 m2~5 Gear Ratio1.5~2 MBSA(B) Finished Bore Spiral Bevel Gears SBS Spiral Bevel Gears SB Bevel Gears m1~6 Gear Ratio 1.5~3 m1~5 Gear Ratio 1.5~4 Page 240 Page 272 Page 236 SB.CB Bevel Gears Page 238 SBY Bevel Gears New Products Page 248 m1~6 Gear Ratio 1.5~4 Page 252 m1~8 Gear Ratio 1.5~4 Page 254 m5~8 Gear Ratio 2~4 Page 254 SB Bevel Gears & Pinion ■SUBステンレスかさ歯車 Shafts SUB Stainless Steel Bevel Gears PB Plastic Bevel Gears DB Injection Molded Bevel Gears BB Sintered Metal Bushings m1.5~3 m1/1.5〜1/3 Gear Ratio 5 歯数比1/1.5〜1/3 m1.5~3 Gear Ratio 1.5~3 m1~3 Gear Ratio 1.5~3 m 0.5~1 Gear Ratio 2 φ 5~8 Page 260 00頁 Page 262 X Page 264 Page 266 Page 266 Contents PICTORIAL INDEX OF SCREW GEARS, WORMS, WORM GEARS Nonparallel & Nonintersecting Axes Gears AND OTHER MISCELLANEOUS PRODUCTS Please request catalogs by e-mail or fax. SN Steel Screw Gears SCREW GEARS m1~4 Page 280 SUN Stainless Steel Screw Gears Page 284 m1~3 AN Aluminum-Bronze Screw Gears m1~4 Page 286 PN Plastic Screw Gears m1.5~3 Page 288 KWGDL, AGDL Duplex Worms & Worm Wheels KWGDLS, AGDL Duplex Worm Shafts & Worm Wheels KWG, AG Ground Worm Shafts & Worm Wheels KWG, AGF Ground Worm Shafts & Worm Wheels WORM GEAR PAIR m2~4 Reduction Ratio 1/20~1/60 m2~4 Reduction Ratio 1/20~1/60 m0.5~1.5 Reduction Ratio 1/10~1/60 m2~6 Reduction Ratio 1/10~1/60 SWG, AG Ground Worms & Worm Wheels SW, BG Worms & Bronze Worm Wheels SW, CG Worms & Gray Iron Worm Wheels SUW, PG Worms & Plastic Worm Wheels m1~6 Reduction Ratio 1/10~1/60 m0.8~6 Reduction Ratio 1/10~1/50 m0.8~6 Reduction Ratio 1/10~1/120 m1~3 Reduction Ratio 1/10~1/50 Page 320 Page 300 Page 328 SRT(B) Pawls & Ratchets Page 300 Page 328 GC Gear Couplings Page 310 Page 314 Page 344 SV Involute Spline Shafts SVI Spline Bushings KBX Bevel Gearboxes Model L OTHER PRODUCTS CBX Bevel Gearboxes New Products Model L Model T P2.09~12.56 Page 350 Page 352 m2~2.5 PBX Miniature Bevel Gearboxes New Products Model T Model L Speed Ratio 1/1~1/2 Page 362 Speed Ratio 1/1 Model T Page 366 XI m1.667 Page 354 Speed Ratio 1/1~1/2 Page 358 How to Use This Catalog Every page contains all the data necessary for you to select the proper gears. Contents This catalog contains the following information: ● Tabulated dimensions of KHK Standard Stock Gears ● Data for selecting gears and warnings when applicable ● Basic theories of gearing and associated data ● How to order KHK Gears ● Introduction to Kohara Gear Industry Co. Ltd. <Selection Hints> ● Caution in selecting the mating gears ● Caution in selecting gears based on gear strength ● Unique characteristics of products (such as availability to perform secondary operations) ● Other points to consider in the selection process. <Application Hints> ● Caution in performing secondary operations ● Caution in assembling ● Notes on starting operations ● Other points to consider in applications <Contents of Products Pages> KHK Stock Gears are categorized into 10 groups as shown below. At the beginning of each group, we present an explanation of part numbers, selection and application hints and other useful technical data. As a rule, each product series consists of two facing pages containing product name, part numbers, dimensions, photograph, mechanical drawings, cautionary notes if applicable and helpful hints. PRODUCT GROUP ICON 6. Miter Gears 2. Helical Gears 7. Bevel Gears 3. Internal Gears 8. Screw Gears 4. Racks 9. Worm gear pair 5. CP Racks & Pinions PRODUCT NAME MODULE LEFT PAGE Drawing & Configuration PRODUCT PHOTOGRAPH It is a representative photograph of the series. Actual shape may be different for a particular item. Please confirm the drawing and shape as specified in the table. SUBCATEGORY OF THE SERIES Module, Pitch, Number of teeth, Gear ratio, etc. DIMENSIONAL TABLE <Catalog numbers> Please order KHK gears by specifying their catalog numbers <Bore> The bore tolerances are indicated in the column headings. INDEX Tabs are color coded, and series designations are shown. ■ Product Groups of KHK Stock Gears 1. Spur Gears SERIES DESIGNATION TECHNICAL REFERENCES Some technical information is introduced at various points in the catalog. 10. Other Products XII NOTES Contains additional information to augment the products table. Please read them before making the final selection of the products. Contents of the Q420 Catalog DRAWINGS, SHAPES When there is more than one configuration for the series, please confirm the desired shape by checking the shape column in the table. SPECIFICATIONS Shape B4 B3 B4 B3 Specifications for spur and helical gears follow the new JIS standard. PRODUCT NAME RIGHT PAGE The datum reference for secondary operations. Shows if secondary operations are possible. (Red box indicates items on which secondary operations are not possible.) — DIMENSIONAL TABLE <Backlash> Indicates the circular linear backlash when the gears are set to the center distance. There are some pages where certain dimensions are written below the table. (e.g., miter, bevel and worm gears) Calculation of Allowable torque The allowable torques shown in the table are the calculated values according to JGMA. The calculations assume certain operating conditions. Therefore, the values should only be used as a reference. The assumed conditions are shown on the first page of each product group (for example, page 27 for spur gears). TECHNICAL REFERENCES Significant technical information is presented at various points in the catalog. ● KHK Co. reserves the right to make changes in specifications and dimensions without notice. ● The company disclaims responsibility for any error or omission regarding technical and product information published. ● All rights reserved herein and no portion of this catalog may be reproduced without the prior consent in writing of the company. We post any changes and corrections to the catalog on our Web site(s): URL http://www.khkgears.co.jp/ URL http://www.qtcgears.com XIII QTC Stock Gear Selection Methods Please refer to this page when you are selecting gears. Selecting Gears Based on Gear Strength Step 1 Approximate the type of gear, strength and torque load. Definition of Bending Strength Definition of Surface Durability The allowable bending strength of a gear is defined as the allowable tangential force at the pitch circle based on the mutually allowable root stress of two meshing gears under load. The surface durability of a gear is defined as the allowable tangential force at the pitch circle, which permits the force to be transmitted safely without incurring surface failure. Step 2 Example of the defacement due to insufficient surface Make a tentative selection based on the torque load using the KHK catalog or the Web catalog. durability. Example of the failure due to insufficient bending strength. ■ The KHK catalog is used for the tentative selection. Step 3 ■ The Web catalog is used for the tentative selection. After calculating the required strength using the actual conditions of usage, examine the selection made in Step 2. The formal strength calculation can be performed using the various formulas. If the Web catalog is used, the strength can be easily confirmed. (2) Equation - Bending Strength In order to confirm an acceptable safe bending strength, it is necessary to analyze the applied tangential force at the working pitch circle, Ft, vs. allowable force, Ftlim. This is stated as: Ft ≤ Ftlim (1.4) It should be noted that the greatest bending stress is at the root of the flank or base of the dedendum. Then Equation (1.4) becomes Equation (1.5) Ft≤ sFlim (1.5) Equation (1.6) presents the calculation of Ftlim: mnb KLKFX 1 Ftlim = sFlim ––––––– (––––––) ––– (kgf) (1.6) YFYeYb KVKO SF Equation (1.6) can be converted into stress by Equation (1.7): YFYeYb KVKO sF = Ft –––––– (––––––) SF (kgf/mm2) (1.7) mn b KLKFX XIV QTC Stock Gear Selection There are many ways to select gears depending on which parameters are more important than others such as the strength, size, precision, and speed ratio. As a guide, we have introduced "Selecting Gears Based on Strength" and "Selecting Gears Based on Use". Selecting Gears Based on Use Example 5: Cost performance Example 1: High Speed Rotation For applications requiring noise and vibration reductions in high speed gear drives, we recommend the ground gears (items with letter G in catalog numbers). Using helical gears will increase the contact ratio, leading to smoother transmission. Example The more production steps, the higher the cost. For example, the SS series which goes thru steps of - raw material, turning, gear cutting, and black oxide - has excellent cost-performance ratio. The Injection Molded Gears and Sintered Gears are also products with high cost-performance figures due to mass production. ■ MSGA Ground Spur Gears JIS N5 Class (OLD JIS1) Overall carburizing Example ■ SS Steel Spur Gears ■ DS Injection Molded Spur Gears ■ LS Sintered Metal Spur Gears ■ SSG Ground Spur Gears JIS N7 Class (OLD JIS3) Tooth surface induction hardened Example 2: High Strength (compact design) Example 6: Availability of Secondary Operations Generally, the size of gears is proportional to load capacity. To make the design compact requires the use of alloys (SCM415, SCM440) with heat treating. We recommend catalog parts that start with letter M or K. Please note that heat treated items have hard surfaces. While they gain the strength, they lose the ability of secondary operations to be performed. Example ■ MSGA Ground Spur Gears Overall carburizing (Secondary operations not possible) ■ SSG Ground Spur Gears Tooth surface Induction hardened (Secondary operations possible except the tooth) ■ SS Steel Spur Gears No heat treatment (Secondary operations possible) Example ■ MSGA Ground Spur Gears SCM415 overall carburizing ■ KHG Ground Helical Gears Tooth surface induction hardened Example 7: High Reduction Ratios Example 3: Backlash Considerations In order to minimize the backlash, use high precision parts with ability to adjust center distances. KHK carries, as standard products, items with ability to adjust backlash such as Tapered Racks and Pinions and Duplex Worms and Worm Wheels. We recommend the use of Worm Gear Pair or High Ratio Hypoid Gears. It is also possible to obtain high reduction ratios by forming planetary gear systems using spur and internal gears. Example ■ Worm Gear Reduction Ratios 1/10、1/15、1/20、1/30、1/40 1/50、1/60、1/80、1/100、1/120 Example ■ Tapered Racks & Pinions KTSCP, STRCPF ■ High Ratio Hypoid Gear Reduction Ratios 1/15、1/20、1/30、1/45、1/60 1/90、1/120、1/180、1/200 ■ Duplex Worms, Worm Wheels KWGDL(S), AGDL Example 4: Calculating and Positioning Example 8: Rust Prevention It is very convenient to use CP Racks and Pinions for positioning applications. We recommend using ground gears for use in calculating to reduce pitch errors. Stainless steel and plastic material are suitable where rust will cause problems such as in food and chemical processing equipment. KHK uses these materials in the manufacture of many kinds of spur, rack, miter, bevel, screw and worm gears. Example ■ SSCPG CP Ground Spur Pinions SSCPG10-20 JIS N7 Class (JIS B1702-1;1998) ■ KRGCP CP Ground Racks KRGCP10-500 KHK R 001 Grade 1 XV Quality Transmission Components 125 Railroad Avenue • Garden City Park • New York 11040 USA www.qtcgears.com • E-mail: [email protected] The following pages detail KHK's commitment to supplying the world with the highest quality metric gearing. These pages detail their devotion to quality and to the environment as well as showcase their production capacity and their commitment to innovation. 370 KHK Information We are working hard to upgrade our technological prowess to enable us to produce highly reliable products. We are waging a group-wide effort to provide our customers with quality products. With this in mind, we have obtained two different ISO quality management certifications, both ISO 9001 and ISO 14001. Through effective use of the ISO system we are trying hard to develop our technological skills and increase our productivity, while minimizing the adverse impact on the environment. We sincerely hope that our business relationship with our customers will continue well into the future. Company profile Our line of business ● Manufacture and sale of KHK stock gears ● Manufacture of high-precision custom gears Name of Co.: Founded: Capital: President: Kohara Gear Industry Co., Ltd. May, 1935 99,000,000 Yen Toshiharu Kohara Number of employees : 200 persons Our bankers: Our membership status ● Japan Gear Manufacturers Association Saitama Resona Bank, Limited Kawaguchi Branch ● Saitama-ken Keiei Gorika Kyokai Scope of business: ● Ultra-high precision gear cutting Sumitomo Mitsui Banking Corporation Kawaguchi Branch Designing, manufacturing and selling KHK stock gears (Saitama prefecture Industrial Rationalization Association) ● Kawaguchi-shi Kikai Kogyo Kyodo Kumiai Manufacturing and selling of custom gears (Kawaguchi Industrial Machinery Association) Other business incidental to the above two. ● Kawaguchi Shoko Kaigisho Address: Head office / factory 13-17 Nakacho, Kawaguchi-shi Postal code: 332-0022 Tel No.: 048(255)4871 Fax No.: 048(256)2269 Osaka office Tanimachi Yuetsukan building, 6-22 Tanimachi 5-chome, Chuo-ku, Osaka Postal code 540-0012 Tel No.06-6763-0641 Fax No.06-6764-7445 Nagoya office Louvre Building, 3-96 Issha, Meito-ku, Nagoya Postal code 465-0093 Tel No.052-704-1681 Fax No.052-704-1803 (Kawaguchi Chamber of Commerce & Industry) Affiliated companies KHK CO., LTD. ● Export of gears and transmission components KHK NODA CO., LTD. ● Production of Gears ● Production of Transmission Components E:mail:[email protected] URL http://www.khkgears.co.jp/ 371 KHK integrated management system We are focusing all our energies on supplying highly reliable products to our customers. Under this system we are moving ahead to manufacture top quality products to meet our customers’ demands. We take care to carry out environmentally sound practices. Also, “Kaizen” or “continual improvement” is being used to help achieve these goals. *The processes V P D C appearing here are in accordance with methodology known as “Vision – Plan – Do – Check” cycle. We are working hard to provide quality products to all of our customers. With this in mind, we have obtained two quality management certifications, ISO 9001 and ISO 14001. We employ the methodology “Vision-Plan-Do-Check” cycle so that we can continue our improvement and satisfy our customers’ demands. 372 KHK’s policy toward environmental issues We are taking every possible measure to minimize any adverse impact on the environment. We have MSDS or Material Safety Data Sheets available for all materials used by KHK. Copies are available upon request. Every detail concerning the materials used by KHK is recorded in MSDS Data Base. These materials include metals, rust-prevention oil, packing materials etc. MSDS = Material Safety Data Sheets Press ahead with employing “dry-cut” gear cutting methods. At each stage of KHK operation including designing, manufacturing and selling, we make every effort to reduce the impact on the environment. And we take care in our activities to promote industrial safety, quality improvement and cost effectiveness. Put a cover on each machine. Results: Prevents the scattering of cutting oil. Reduces air and soil pollution. Minimizes equipment maintenance. Reduces the consumption of oil. Cuts the cost of cleaning. Reduces the risk of slipping and falling. Use of electrostatic liquid cleaner to clean gear cutting oil. Results: Reduces the consumption of lubricants. Prevents machinery failure. Results: Reduces air pollution due to vaporized cutting oils. Saves natural resources. Cuts production time. Reuse corrugated plastic board. Results: Recycling of resources. Development of special tooth profile for racks. Results: Reduction of noise. When gears and packing materials have served their purpose and become scrap, please dispose of them in an ecologically satisfactory manner. ■ Metals ■ Nylon ■ Corrugated cardboard ■ Carton boxes ■ Vinyl / Plastic materials Recycling Industrial waste Recycling Recycling Industrial waste 373 KHK nationwide network for customer services We insist on high standards for customer service. Raising the quality of service to our customers is our goal. To achieve customer satisfaction, our Kawaguchi head office, together with our sales offices in Osaka and Nagoya, are trying to listen to the voice of our customers to get feedback on what changes or improvements should be made to our products. KHK Osaka sales office We are exhibiting our products at many major trade shows. In an attempt to facilitate communication between our customers/users and ourselves, we are trying to show our products wherever possible at World Trade Shows and/or major exhibitions worldwide. KHK Nagoya sales office. *Please visit our website for information concerning our exhibition schedule. URL http://www.khkgears.co.jp/ To ensure delivery in good condition our products are individually packaged. We provide many items as tools for sales promotion. Our integrated catalog KHK3009 contains up-to-date information including exceptional technical support. Our website also offers the same information as the print catalog KHK3009. In order to purchase KHK stock gears, please contact the local distributor in your area. Please note that all of KHK products are sold through our distributors. 374 KHK global network Our products are available at various places in the world through our overseas representatives. To meet the growing demand of our customers and with the increasing globalization of the world economy, we have expanded our sales network in major cities around the world. TURKEY PURGON ENGINEERING PTY LTD. 50 Potter Street, P.O.Box 126 Craigieburn 3064 Melbourne Australia PHONE:61-3-93056199 FAX:61-3-93056588 E-mail:[email protected] URL:http://www.purgon.com.au / 久米商事株式會社 KUME SHOJI CO., LTD. Shanghai branch 中国上海市九江路 333 号金融廣場 2707 室 200001 Room No.2707, Finance Square, No.333 JiuJiand Road, Shanghai, China PHONE:021-63741680~63741682 FAX:021-63741679 E-mail:[email protected] URL:http://www.kume-shoji.com/ Beijing branch 中國北京市朝陽區延靜裏中街3號院嘉泰國際大廈428 室 Room No.428, Jiatai Guoji Daxia, No.3 Gate, Yanjingli Zhongjie Chaoyang District, Beijing, China 東莞市源發傳動器材有限公司 DongGuan City Yuen Fat Steel Gear Co.,Ltd. 中國廣東省東莞市長安鎮上沙 S358 省道 1238 號 No.1238,S358 ShangSha First Industrial Zone, Chang'An Town, DongGuanCity, GuangDong, China 523701 PHONE:86-769-82284991 FAX:86-769-82284992 E-mail:[email protected] URL:http://www.yfgears.cn/ BONDY LMT A/S Hassellunden 14 DK-2765 Smorum Denmark PHONE:+45-7015-1414 FAX:+45-4464-1416 E-mail:[email protected] URL:http://www.lmttransmision.dk/ R.A.RODRIGUEZ (U.K.) LTD. 28 Campus Five, Letchworth Business Park, Letchworth, Herts. SG6 2JF England PHONE:44-1462-670044 FAX:44-1462-670880 E-mail:[email protected] URL:http://www.rarodriguez.co.uk/ OY MEKANEX AB Eesti filiaal Peterburi tee 46 EE11415 TALLINN Estonia PHONE:+372-6139844 FAX:+372-6139866 E-mail:[email protected] URL: http://www.mekanex.ee/ OY MEKANEX AB PL 30 Fin-08501 Lohja Finland PHONE:+358-19-32831 FAX:+358-19-383803 E-mail:[email protected] URL:http://www.mekanex.fi/ Rodriguez GmbH Ernst-Abbe-Str.20 D-52249 Eschweiler Germany PHONE:4902403-780-0 FAX:4902403-780-50 E-mail:[email protected] URL:http://www.rodriguez.de/ 源發鋼牙有限公司 YUEN FAT STEEL GEAR CO., LTD. 香港九龍旺角廣東道 979 號地下 Ground Floor, 979 Canton Road, Mongkok, Kowloon, Hong Kong PHONE:852-2782-0963 FAX:852-2782-0961 E-mail:[email protected] URL:http://www.yuenfatgears.com/ AMCATS PVT., LTD. C-111A, Punit Industrial Estate,D-10/11, Thane Belapur Road, Turbhe, Navi Mumbai, India - 400705 PHONE:91-22-27635005 FAX:91-22-27635007 E-mail:[email protected] URL:http://www.amcats.com/ MEDITAL HI-TECH (1992) LTD. 7, Leshem St., P.O.B. 7772 PETACH-TIKVA Israel PHONE:972-3-9233323 FAX:972-3-9231666 E-mail:[email protected] URL:http://www.medital.co.il/ CHIA HIAP SENG HARDWARE CO. 50 Ubi Ave. 3, FRONTIER, #01-22 Singapore 408866 PHONE:65-6547-8851 FAX:65-6547-8853 E-mail: [email protected] URL: http://www.chiahiapsenghardware.com/ Lindis, s.l. Polígono Golparc parcela 34-38, 25241 Golmés (Lleida) Spain PHONE:34-973-71-18-84 FAX:34-973-71-18-09 E-mail: [email protected] URL: http://www.lindis.com/ MEKANEX MASKIN AB Box 2208 SE-169 02 solna Dalvägen Sweden PHONE:46-8-7059660 FAX:46-8-270687 E-mail:[email protected] URL:http://www.mekanex.se/ H.FROHLICH AG. Zurichstrasse 148 CH-8700 Kusnacht, Switzerland PHONE:41-1-9101622 FAX:41-1-9106344 E-mail:[email protected] URL:http://www.h-froehlich-ag.ch/ 昭源企業有限公司 ALL MERIT ENTERPRISE CO., LTD. 台北縣汐止市福德一路 392 巷 42 弄 2 號 No.2, Alley42, Lane392, Fude 1st Rd. Shijr City, Taipei, Taiwan 221 PHONE:886-2-2694-0062 FAX:886-2-2694-7061 E-mail:[email protected] URL:http://www.amx.com.tw/ PHONE:86-10-6586-2841 FAX:86-10-6586-3538 TOHO KOREA CO., LTD. Room No.206 Hanra Sigma Park, 276-1 Seohyun-dong Bundang-ku, Seongnam-shi, Kyoungki-do, 463-824 Korea PHONE:82-31-781-8856 FAX:82-31-781-8850 E-mail:[email protected] URL:http://www.tohokorea.co.kr/ SAECO BEARINGS & TRANSMISSION LTD. 88 Hastie Ave., Mangere P.O. Box 22256 Otahuhu, New Zealand, GST 78-6366-53 PHONE:0064-9-634-7540 FAX:0064-9-634-7552 E-mail:[email protected] URL:http://www.saeco.co.nz/ NAMSAE MILLENNIUM CO., LTD. 95/57 Moo.8 Nakniwas Road, Khwaeng Ladprao, Khet Ladprao BKK. Thailand, 10230 PHONE:02-530-3777 FAX:02-530-0777 E-mail:[email protected] URL:http://www.namsaemillennium.com/ POLYMAK Perpa Ticaret Merkezi A-Blok, Kat:11 NO:1425 Sisli-ISTANBUL Turkey PHONE:90-212-210-43-46 FAX:90-212-210-43-46 E-mail:[email protected] URL:http://polymak.com/ QUALITY TRANSMISSION COMPONENTS 125 Railroad Avenue, Garden City Park, New York 11040-5016, U.S.A. PHONE:516-437-6700 FAX:516-328-3343 E-mail:[email protected] URL:http://www.qtcgears.com/ To find information on distributors in each country, please visit our web site. http://www.khkgears.co.jp/en/ 375 ※ Countries are listed in alphabetical order. KHK production system It is our intention that we stay at the leading edge of gear technology. We are always trying to adopt cutting edge gear manufacturing systems in order to make quality products and to satisfy the demands of our customers. CNC Rack Grinding Machine (NRG-100) A view of KHK Noda CNC Rack Cutting Machine (NR-18S) 376 KHK production system At KHK Noda all the manufacturing processes are computerized, which allows for the timely and economical procurement of materials and scheduling of all manufacturing steps. Quality assurance At KHK Noda, the leading measuring instruments such as a Carl Zeiss 3-D Coordinate Measuring Machine and a Klingelnberg Single Flank Worm Gear Rolling Tester are used to test our products to ensure that they meet our customers’ quality requirements. The KHK Noda quality control system includes the requirement that at each step in the manufacturing process, the part is inspected to verify that it meets CNC Lathe Line (MW-200G) CNC Straight Bevel Coniflex Generator (No.104CNC) CNC Worm Grinding Machine (HSS-350) CNC Dry Cut Gear Hobbing Machine (KN-151) CNC Dry Cut Gear Hobbing Machine (N60) Precision CNC Lathe (J24G) Compact CNC Vertical Grinding Machine (IGV-3NT) 377 all of specifications detailed on the production drawing. Stainless Steel Fairloc Hub Spur Gears SSAY Spur Gears with Built-In Clamps How does the K-Clamp work ? Hexagonal Socket Head Screw Crescent Shaped Pressure Wedge Shaft Acetal Fairloc Hub Spur Gears KHG Ground Helical Gears Normal module Transverse module Tapered Pinion Moving the pinion axially by 1mm changes the backlash by 0.05mm. Tapered Rack KWGDL(S).AGDL Duplex Worms and Worm Wheels Reference tooth Moving the worm in the direction of the arrow causes the backlash to decrease. CP Racks & Pinions Movement of one cycle of CP10-30 pinion on Cp rack vs. SS3-30 (m3) on m3 rack One turn CP10=300mm m 3=282.74mm 1/2 turn CP10=150mm m 3=141.37mm Difference between CP10 and m3 Pitch CP10=10mm m 3=9.425mm SSR/SIR Corner Racks DR Molded Flexible Racks MHP High Ratio Hypoid Gears SRT (B) Pawls and Ratchets GC Gear Couplings KBX Bevel Boxes CBX Bevel Boxes New Products PBX Mini-Bevel Gear Boxes New Products
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