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KOMA PRECISION CEO: William T. Meo Jr. President: Barry J. Agosti General Manager: Frank Cerrito Inside Sales: Aimee Hyland Production Planner: David Blais Purchasing/Parts Manager: Jeff Rubacha Production Services Manager: Jim Miller Service Manager: Bill Atkins Sales Managers National Sales Manager: David Meo OEM Sales Manager: Andrew Esposito Marketing Department Marketing Manager: Janee Agosti Graphic Design: Ellen Topitzer Digital Marketing Specialist: Sarah Carlyle At Koma Precision we serve our customers by supplying proven, powerful machine tool attachments and accessories. Our aim is to provide solutions for you through products that are flawless in execution, speed and strength. With over 37 years of experience and 35,000 installations we remain the exclusive importer, national distributor and service center for Tsudakoma rotary tables. 1 komaprecision.com • [email protected] • 1-800-249-5662 ZERO BACKLASH NO REVERSAL ERROR HIGH ACCURACY MACHINING ZERO MAINTENANCE INDEX SPEEDS UP TO 138.9 RPM THE TSUDAKOMA DUAL LEAD GEARING SYSTEM THE TSUDAKOMA DUAL LEAD GEARING SYSTEM DELIVERS THE OPTIMUM BALANCE BETWEEN POWER, DURABILITY, AND SMOOTH CUTTING PERFORMANCE. Tsudakoma’s Proprietary Dual Lead Worm Gearing System with Full Depth Gear Tooth Engagement TORQUE TRANSFER EFFICIENCY TOOTH PROFILE The Tsudakoma dual lead gearing system features Tsudakoma utilizes full tooth depth engagement the largest tooth engagement of any rotary table along with a larger gear module. The results are a manufacturer. This system generates up to 85% larger surface contact area yielding a substantially torque transfer efficiency. stronger worm gear system. GEARING MATERIALS Conventional PROPRIETARY HIGH TENSILE STRENGTH BRASS tooth profile Tensile Elongation Hardness Worm Wheel Material Strength (%) (HB) (N/mm2) Tsudakoma Bronze 245 15 70 tooth profile Phosphor Bronze 295 5 80 Aluminum Bronze 490 20 120 Tsudakoma OVERSIZE WORM WHEEL 650 15 170 Proprietary Brass The Tsudakoma worm wheel uses an oversize Worm Spindle Case hardened alloy steel diameter pitch circle resulting in reduced pressure on the contact surface compared to a conventional Tsudakoma’s dual lead gearing system features gearing system. exceptionally smooth cutting due to the inherent lubricating properties of the gear materials. Conventional gearing Tsudakoma gearing 3 komaprecision.com • [email protected] • 1-800-249-5662 TABLE OF CONTENTS Horizontal and Vertical Rotary Tables RBS RWE P. 8 P. 10 RWA RWA,B RNCV,B P. 12 P. 14 RWB RCB P. 16 P. 18 RNCM RN RWM P. 20 P. 22 RCV RNCV,L P. 24 P. 26 RWE INDEXERS RDS P. 28 P. 30 4 komaprecision.com • [email protected] • 1-800-249-5662 TABLE OF CONTENTS Horizontal Rotary Tables RBS,K RWB,K P. 32 P. 34 RWB,K-2 RCV,K P. 36 P. 38 RT RNCK P. 40 P. 42 4th & 5th Axis Tilting Rotary Tables TBS TWA P. 44 P. 46 RTT TTNC-N P. 48 P. 50 TTNC THNC P. 52 P. 54 Tsudakoma’s tilting tables offer a truly compact footprint to maximize CNC work envelope. Maximum Rigidity on the tilting axis is essential and is achieved by keeping the large braking system as close to the rotary axis as possible. For high production 4th & 5th axis machining, Tsudakoma’s multi-spindle tilting tables offer a compact footprint to maximize CNC work envelope. Automatic 5C collet outputs optional. 5 komaprecision.com • [email protected] • 1-800-249-5662 TABLE OF CONTENTS Special NC 4th & 5th Axis Rotary Tables RCH RNC RC P. 56 P. 58 CUSTOM P. 60 NC Controllers TPC P. 64 Accessories Chucks Tailstocks P. 77 P. 78 Support Spindles Face Plates P. 80 P. 80 6 komaprecision.com • [email protected] • 1-800-249-5662 TABLE OF CONTENTS Options Encoders & Rotary Scales Joints P. 81 P. 82 Steel Boosters Braided Cables P. 83 P. 84 Technical Information Clamping Terminology Mechanism P. 84 P. 86 Servo Motors P. 87 General Information Table Table Inspection Selection P. 88 P. 94 Operation Maintenance P. 96 7 komaprecision.com • [email protected] • 1-800-249-5662 NC Rotary Tables Ball Drive Models RBS-160, 250, 320 ZERO MAINTENANCE • HIGH TORQUE TRANSFER EFFICIENCY KOMA Precision, Inc. introduces a new line of high accuracy, high rigidity, energy saving and zero maintenance rotary tables from Tsudakoma. The RBS Series rotary tables are built using the new ball drive system featuring advantages like zero backlash, improved cycle times, energy conservation and a lifetime adjustment-free transmission system. RBS-160 Table Model RBS-160 RBS-250 RBS-320 Versions available R, L R, L R, L Table diameter mm (160, 200) 250 320 Center height mm 160 210 255 Nose Diameter mm 55H7 80H7 115H7 Center bore Thru Diameter mm 40 50 85 Table T-slot width 12H8 12H8 14H8 Guide block width 14h7 18h7 Servo motor (Fanuc)* Alpha 4i Alpha 8i Alpha 12i Maximum motor speed rpm 5,000 4,000 4,000 Speed reduction ratio 1/36 1/36 1/36 Maximum table speed rpm 138.9 111.1 111.1 Inertia converted into motor shaft x 10-3kg.m2 .19 .42 2.24 Clamp system** Pneumatic Clamp torque @72psi Nm (ft. lbs.) 700 (516) 1,480 (1,076) 2,580 (1,901) Indexing accuracy arc sec. ±7.5 Net Weight kg (lbs.) 55 (121.2) 100 (220) 200 (440) Allowable work inertia kg.m2 0.64 1.95 4.48 100 (220) 125 (275) 175 (385) kg (lbs) Allowable W [200 (441)] [250 (551)] [350 (771)] work weight [w/ tailstock] W W kg (lbs) 200 (441) 250 (551) 350 (771) W F N 10,800 14,400 24,800 (lbf) (7,965) (10,620) (18,291) Allowable F Nm 500 1,000 1,500 load when (ft. lbs.) (368) (737) (1,106) table clamped L L F Nm 780 1,900 4,700 (ft. lbs.) (575) (1,401) (3,466) *Other motors & rpm available • Dimensions = mm Specifications subjectto change without notice 8 komaprecision.com • [email protected] • 1-800-249-5662 NC Rotary Tables Ball Drive Models Dimensions Drawings not to scale • Dimensions = mm RBS-160 156 190 156 156 190 190 50 Ø100h7 50 50 Ø100h7 Ø100h7 169 1 90 37.5±0.02 45169 109 1 15 90 169 1 90 37.5±0.02 37.5±0.02 45 10945Ø10H7 15 109 15 Ø10H7 Ø10H7 300 300 300 298 250 298 250 298 250 Ø56 Ø56 Ø56 Ø42 160 Ø42 Ø42 160 160 Ø65 Ø65 15 Ø65 15 Ø55H7 Ø55H7 15 Ø40H8 (Ø100h7) Ø55H7 Ø40H8 (Ø100h7) Ø40H8 (Ø100h7) 25 25 25 2 2 10 70 70 10 70 70 2 10 95 95210 210 160 160 S=1：2 S=1：2 70 70 Sectional view of turntableSectional view of turntable 90 90 306 306 95 210 160 S=1：2 396 170 170 Sectional view of turntable 90 396 306 396 170 RBS-250 229 22.5° 200 RBS-160R with 179 1 optional faceplate 110 (Ø10H7) 45 119 15 55±0.02 125 Ø50H8 335 Ø140h7 Ø81 Ø51 333 335 Ø80 Ø80H7 15 (Ø140h7) 210 210 245 268 42 168 19 （S=1：3） 25 Sectional view of turntable 18 513 7 95 12.063 10 170 95 125 265 120 391 180 RBS-320511 22.5° 244 284 RBS-160R with 6” 140 70±0.02 3-Jaw Scroll Chuck 160 Ø180h7 413 415 415 Ø86 Ø116 Ø115 255 Ø85H8 Ø115H7 15 (Ø180h7) 255 30 45 164 15 2 7 18 10 215 224 1 135 135 320 265 160 265 2 225 160 427 585 52 213 19 587 The dimensions above are for tables with a FANUC servo motor. Other motors available (dimensions may increase). Options & Accessories TPC NC Controller p.64 Chucks p.77 Clamping Block and Bolt Dimensions = mm Tailstock p.78 Type Q’ty T-Slot Width A B C D E F G H I J K L M Support Spindle p.80 Face Plate p.80 RBS-160 - 2 14 - - - - - - - 17 8 60 - 23 12 Encoder / Scale p.81 Pull Stud Device p.82 RBS-250 I 4 18 25 12 80 12 33 35 22 21 11 65 40 28 16 Rotary Joint p.82 Booster p. 83 RBS-320 I 4 18 30 15 90 16 31 43 25 21 11 70 46 28 16 PVC or Steel Cables p.84 9 komaprecision.com • [email protected] • 1-800-249-5662 NC Rotary Tables Standard Models RWE-160, 200 COMPACT • MASSIVE CLAMP TORQUE The RWE Series tables’ offer speeds of 69.4 RPM and indexing accuracies ranging from 10 to 12.5 arc seconds. These compact, high- speed, high-quality RWE Series tables offer economy line pricing while retaining high clamp torque and increased production performance. RWE-160 with optional faceplate Table Model RWE-160 RWE-200 Versions available R, L R, L Spindle outer diameter mm 100h7 120h7 Table diameter (optional) mm (160, 200) (200, 250) Center height mm 135 160 Center Nose Diameter mm 55H7 65H7 bore Thru Diameter mm 40 45 Table T-slot width (with faceplate) (12H8) (12H8) Guide block width 14h7 18h7 Servo motor* Alpha 2i Alpha 4i Maximum motor speed rpm 5,000 5,000 Speed reduction ratio 1/72 1/72 Maximum table speed rpm 69.4 69.4 Inertia converted into motor shaft x 10-3kg.m2 .09 .17 Clamp system Pneumatic Disc Clamp Clamp torque @72psi Nm (ft. lbs.) 250 (180) 400 (295) Indexing accuracy arc sec. ±12.5 ±10 Net Weight kg (lbs.) 40 (88) 61 (135) Allowable wheel torque Nm (ft. lbs.) 206 (152) 288 (212) Allowable work inertia kg.m2 .64 1.25 100 (220) 125 (275) Allowable kg (lbs) W [200 (441)] [250 (551)] work weight [with tail- stock] W kg (lbs) 220/440 250/550 F Nm 10,800 14,400 (lbf) (7,960) (10,613) Allowable F load when Nm 500 800 table L (ft.
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  • Rotary Table Instructions

    Rotary Table Instructions

    The premier source of parts and accessories for mini lathes and mini mills. Using a Rotary Table A rotary table can be used to make arcs and circles. For example, the circular T-slot in the swivel base for a vise can be made using a rotary table. Rotary tables can also be used for indexing, where a workpiece must be rotated an exact amount between operations. You can make gears on a milling machine using a rotary table. Dividing plates make indexing with a rotary table easier. Introduction The following illustrations show the various parts and controls of a rotary table. Hand Wheel Morse Taper Center Hole T-Slot Degree Indicator Oiler Mounting slot Table Locking clamp Worm assembly position indicator Mounting slot Alignment Blocks Worm assembly lock screw 10 second vernier 2 minute scale Full degree number Setup and Adjustment The rotary table is shipped with a protective coating of grease that must be cleaned off before first use. We recommend mineral spirits (paint thinner) for removing the grease. There is one adjustment you should make before using the rotary table. Follow these steps to adjust the full degree indicator. 1. Turn the hand wheel to the 0 degree full degree mark aligns with the 60- second mark on the vernier. 2. Adjust the full degree indicator to align with any line on the index around the table. Disengaging the Worm The worm can be disengaged from the worm wheel so that the table turns freely. 3. Loosen the worm assembly lock screw. 4. Rotate the vernier color clockwise until the lone index mark lines up with the indicator on the rotary table body.