® SAFEMAX TORQUE LIMITING COUPLINGS 07 20 ZERO BACKLASH
an excellence in engineering www.jbj.co.uk/couplings.html ® patented Elika profile is everything 01737 767493 info@jbj.co.uk www.jbj.co.uk - registered in England No: 1185469 - jbj Techniques Limited is ISO certificated, committed to international coordination & unification of industrial standards. A range of products ATEX certificated to directive 94/9/E requirements You Tube
www.jbj.co.uk/couplings.html #DriveLineHarmony Contents Page ® SAFEMAX Zero Backlash Torque Limiters “GLS/SG/N” introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Characteristics................................................................................ 2 Technicalcharacteristics......................................................................... 3 ® ® SAFEMAX -Torquelimiters“GLS/SG/N”withTRASCO ES............................................ 4-5 ® ® SAFEMAX -Torquelimiters“GLS/SG/N”withSERVOPLUS ............................................ 6-7 ® ® SAFEMAX -Torquelimiters“GLS/SG/N”withSERVOMATE ........................................... 8 #DriveLineHarmony............................................................................ 10 I SAFEMAX® Zero Backlash Torque Limiters “GLS/SG/N” The details contained within this catalogue are reproduced in accordance with the latest information at publication of this catalogue. Errors & Omissions Excepted Last update: 01/07/2020
ZERO BACKLASH
www.jbj.co.uk/couplings.html #DriveLineHarmony Introduction SAFEMAX® Zero Backlash Torque Limiters “GLS/SG/N” 1 In industrial applications the increase of automation in the manufacturing process is becoming a strict requirement and performances are constantly improving. The increase of precision utilizing servo systems results in the increase of higher speeds. Improvements in production capacity often include increase of rigidity of machinery workings causing increases of the resistance to dynamic loads. The torque overload generated by human error, mechanical malfunction or other causes can be unpredictable and if not planned for in machinery design can result in damage to the machine and cause downtime which can be long and expensive. SAFEMAX® torque limiters prevent these problems from happening through instant disengagement of the motor side from the driven side in case of torque overload, thus eliminating the risk of expensive downtime. In addition these torque limiters, being torsionally rigid and backlash free, allow a rapid and accurate resumption of machine operations once the cause of the overload has been eliminated. Features Applications » » Backlash-free torque transmission. Machine tools. » » Low moment of inertia. Packaging machines. » » Compact design. Printing machines. » » Maintenance-free. Textile Machinery. » » Disengagement within 1-3 milliseconds. Industrial Robots. » » Easy and safe adjustment of the torque. Woodworking machines. » » Re-engagement to 360° or in phase. Automatic equipment SIT torque limiters are available with regressive springs. When an overload occurs there is an immediate disengagement of the torque limiter within a few milliseconds, saving the machine from possible damage. When the overload ends the torque limiter re-engages after 360° or in optional preset phases. Spring characteristic curve It is possible to govern the torque by the adjusting nut. Unless specifically requested, these limiters are designed to operate at 75% of the maximum transmissible torque. In order to allow different settings there are reference markings on nut and hub. These include markings of the minimum and maximum torque of the limiter and an indication of the direction of rotation of the nut to increase and decrease the torque of disengagement. Turning the nut clockwise the disengagement torque decreases, turning anticlockwise it increases. Negative version Nut - Negative version Hub Time (sec) Calibration torque (Nm) Torque (Nm) Operational range (mm) Force (Nm)
www.jbj.co.uk/couplings.html #DriveLineHarmony Characteristics ® SAFEMAX Zero Backlash Torque Limiters “GLS/SG/N” 2 ® SAFEMAX SPGLSNA35/E-4 Design Description Characteristics Assembly example For direct mounting on timing pulley or power transmission component. Available designs: With locking device shaft connection » With bore and keyway shaft connection » On request also available in stainless steel. Transmittable torque range: from 0.7 to 720 Nm Sizes: from 12 to 50 For connection of two shafts in combination ® with TRASCO ES zero backlash coupling. Compensates for axial, radial and angular misalignment and absorb vibrations. Available designs: Bore and keyway both sides » Locking device - clamping hub » » Locking device - shrink disc On request also available in stainless steel. Transmittable torque range: from 0.7 to 720 Nm Sizes: from 12 to 50 For connection of two shafts in combination ® with SERVOPLUS torsionally rigid bellows coupling. Compensates for axial, radial and angular misalignment. Available designs: » Bore and keyway - clamping hub » Locking device - clamping hub On request also available in stainless steel. Transmittable torque range: from 0.7 to 200 Nm Sizes: from 12 to 35 For connection of two shafts in combination ® with SERVOMATE torsionally rigid coupling. Available designs: » Bore and keyway - clamping hub » Locking device - clamping hub On request also available in stainless steel. Transmittable torque range: from 0.7 to 200 Nm Sizes: from 15 to 25 Direct mounting on timing pulley or sprocket Recirculating ball screw Mounting with TRASC ®O ES coupling with clamping hub Recirculating ball screw Mounting with SERVOPLU ®S GSP coupling with clamping hub Motor Motor S ® AFEMAX - Torque limiters ® SAFEMAX -Torque limiters w ® ith TRASCO ES coupling S ® AFEMAX - Torque limiters ® with SERVOPLUS coupling ® SAFEMAX -Torque limiters ® with SERVOMATE coupling Ordering Code Type: SPGLSN Execution: - = Torque limiter ® A = with TRASCO ES Coupling ® S = with SERVOPLUS Coupling ® M = with SERVOMATE Coupling Size 150Nm N13 Re-engagement: ... = every 360° /E = in equidistant phase Number of springs Torque Production code Recirculating ball screw Mounting with SERVOMAT ®E GSM coupling with clamping hub Motor Recirculating ball screw Motor
www.jbj.co.uk/couplings.html #DriveLineHarmony Technical Characteristics ® SAFEMAX Zero Backlash Torque Limiters “GLS/SG/N” 3 A M G I L H E C B F1 V D Stroke N F1 F1 max A B C D E G I L M N V 12 12 44 38 40 35 30 2 4,5 24 7 28,5 5 17 17 50 42 47 42 37 2 5 29 8,5 34,5 5 20 20 70 62 65 56 47 4 8 40 12 47 6 25 25 85 75 80 71 62 7 11 48 13,5 56 7 35 35* 100 82 95 85 75 9 14 59 16 67 9 42 42 115 97 110 100 90 8 16 64 17 73 10 50 50 135 117 130 116 100 6,5 18 75 20,5 86 11 Torque Limiter Size Dimensions Torque Limiter Size 12 17 20 25 35 42 50 Mass moments of inertia Weight Screws Springs Limit torques for overload (Nm) 0,8 - 7 3 - 23 5 - 50 9 - 100 20 - 200 35 - 415 75 - 720 Maximum speed (rpm) 4000 4000 4000 3000 2500 2000 1200 Thrust washer stroke on overload (mm) 0,8 1,0 1,1 1,3 1,5 2,0 2,2 -6 2 Bore and keyway (x10 kgm) 20 40 270 680 1510 2620 6330 Nut side -6 2 Locking device (x10 kgm) 20 40 280 710 1580 2820 6820 -6 2 Pressure flange side (x10 kgm) 9 15 80 290 680 1290 3150 Bore and keyway [kg] 0,200 0,400 0,900 1,500 2,800 3,700 6,700 Locking device [kg] 0,200 0,400 0,900 1,600 3,000 4,100 7,300 N° and type - 6 x M3 6 x M3 8 x M4 8 x M5 8 x M6 8 x M6 8 x M8 Nut side Tightening torque [Nm] 1,5 1,5 3,0 5,0 7,5 7,5 14,0 1N ) 0,8 - 2,5 3 - 7,5 5 - 14 9 - 28 20 - 45 35 - 100 75 - 190 2N )) 2,4 - 4,5 5 - 15 12 - 28 18 - 60 42 - 95 75 - 200 140 - 345 3N ))) 3,5 - 7 8, 5 - 23 24 - 50 40 - 100 - - - 4N )))) - - - - 85 - 200 195 - 415 245 - 720 Note: G: installation tolerance + 0,1. The weights refer to the torque limiter with pilot bore. Inertias refer to the torque limiter with maximum bore. Torque transmissible according to the set of springs (Nm)
® ® SAFEMAX - Torque limiters “GLS/SG/N” with TRASCO ES 4 www.jbj.co.uk/couplings.html #DriveLineHarmony F1 max F2 max F3 max F4 max A B C E I H Lg L 12 14 12 14 15 15 44 38 44 30 18,5 13 42 66 17 19/24 17 20 20 24 50 42 52 40 25 16 53 82,5 20 24/28 20 28 28 28 70 62 68 55 30 18 63 102 25 28/38 25 38 35 38 85 75 84 65 35 20 74,5 119,5 35 38/45 35* 45 45 45 100 82 100 80 45 24 93 146 42 42 42 50 50 55 115 97 115 95 50 26 100 157 50 48 50 60 55 60 135 117 138 105 56 28 110,5 178,5 Torque Limiter Size Dimensions ® TRASCO ES Size L L G I H E F1 B A C F2 Screw L1 I1 F1 t F3 Screw L2 I2 F1 t F4 Set screw Locking device execution / GESA Locking device execution / GESM Bore and keyway execution / GESF 10 11 14 15 16 17 18 19 20 22 24 25 28 30 32 35 38 40 42 45 48 50 55 60 12 19/24 48 53 67 72 77 81 86 91 96 17 24/28 77 82 88 93 98 103 113 124 129 144 20 28/38 186 196 206 227 247 258 289 309 330 361 392 25 38/45 291 320 349 364 408 437 466 510 553 582 612 655 699 35 42 345 584 623 681 740 779 818 876 934 973 1071 50 48 681 740 779 818 876 934 973 1071 1168 Torque Limiter Size Coupling Transmissible Torque (Nm) related to Shaft Diameter (mm) TRASCO® ES Coupling Shrink Disc Transmissible Torque
Technical Characteristics Torque Limiter Size 12 17 20 25 35 42 50 Limit torques for overload (Nm) 0,8 - 7 3 - 23 5 - 50 9 - 100 20 - 200 35 - 415 75 - 720 Maximum speed (rpm) 4000 4000 4000 3000 2500 2000 1200 Thrust washer stroke on overload (mm) 0,8 1,0 1,1 1,3 1,5 2,0 2,2 TRASCO ES ® Coupling 14 19/24 24/28 28/38 38/45 42 48 Size Pressure flange side -6 2 (x10 kgm) Mass Moments of Inertia Weight Combinations Total Weight Torque Limiters Coupling Screws 5 www.jbj.co.uk/couplings.html #DriveLineHarmony 92 Sh A 7,5 10 35 95 190 265 310 Nominal torque 98 Sh A 12,5 17 60 160 325 450 525 64 Sh D 16 21 75 200 405 560 655 (Nm) 92 Sh A 15 20 70 190 380 530 620 Maximum torque 98 Sh A 25 34 120 320 650 900 1050 64 Sh D 32 42 150 400 810 1120 1310 92 Sh A 1,0 1,2 1,4 1,5 1,8 2,0 2,1 Maximum axial misalignment 98 Sh A 1,0 1,2 1,4 1,5 1,8 2,0 2,1 64 Sh D 1,0 1,2 1,4 1,5 1,8 2,0 2,1 (mm) 92 Sh A 0,15 0,10 0,14 0,15 0,17 0,19 0,23 Maximum radial misalignment 98 Sh A 0,09 0,06 0,10 0,11 0,12 0,14 0,16 64 Sh D 0,06 0,04 0,07 0,08 0,09 0,10 0,11 92 Sh A 1,0 1,0 1,0 1,0 1,0 1,0 1,0 Maximum angular misalignment 98 Sh A (°) 0,9 0,9 0,9 0,9 0,9 0,9 0,9 64 Sh D 0,8 0,8 0,8 0,8 0,8 0,8 0,8 Bore and keyway 20 40 270 680 1510 2620 6330 Locking device 20 40 280 710 1580 2820 6820 GESF - Bore and keyway 23 61 228 763 1747 6303 13434 Hub side GESM - Clamping hub 23 59 252 727 1812 7152 14808 GESA - Shrink disc 27 71 312 878 2306 7207 14848 Bore and keyway GESF 0,269 0,543 1,190 2,028 3,715 7,061 11,453 (kg) Clamping device GESM 0,267 0,548 1,214 2,115 3,900 7,561 12,433 Clamping device GESA 0,298 0,597 1,338 2,325 4,410 7,761 12,613 Clamping device N° and type - 6 x M3 6 x M3 8 x M4 8 x M5 8 x M6 8 x M6 8 x M8 torque limiter Tightening torque [Nm] 1,5 1,5 3,0 5,0 7,5 7,5 14,0 GESF - Set screw Type - M4 M5 M5 M6 M8 M8 M8 Tightening torque [Nm] 1,5 2,0 2,0 4,0 10,0 10,0 10,0 GESM - Clamping Type - M3 M6 M6 M8 M8 M10 M12 screw Tightening torque [Nm] 1,3 11,0 11,0 25,0 25,0 70,0 120,0 GESA - Shrink disc N° and type (12.9) - 4 x M3 6 x M4 4 x M5 8 x M5 8 x M6 4 x M8 4 x M8 screws Tightening torque [Nm] 1,3 2,9 6,0 6,0 10,0 35,0 35,0 Notes: The data are related to application with red AES spider 98 Sh A. The weights refer only to applications with coupling with pilot bore. Inertias refer to applications with couplings with maximum bore.
M LM S LG L F1 B A C t F F7 Screws L1 F1 ® ® SAFEMAX - Torque Limiters “GLS/SG/N” with SERVOPLUS 6 www.jbj.co.uk/couplings.html #DriveLineHarmony F1 max F2 max F3 max F4 max A B C E I H Lg L 12 16 5 16 12 44 38 43 34 17 16,5 48 72 67,5 17 20 8 20 17 50 42 49 40 20,5 21 58 87,5 82 20 30 10 30 20 70 62 65 55 22,5 27 69 108 101 25 38 14 38 25 85 75 84 65 26 32 81 126 118 35 45 14 45 35* 100 82 104 83 31 41 102 155 147 *: maximum diameter for finished bore with reduced keyway according to UNI 7510. F1, F2, F3, F4: bore tolerance H7. Torque Limiter Size Dimensions ® SERVOPLUS Size 5 6 7 8 9 10 11 12 14 15 16 18 19 20 24 25 28 30 32 35 38 40 42 45 12 16 5 6 7 8 9 10 11 12 14 15 16 17 20 13 14 16 18 19 22 24 25 29 30 32 20 30 25 27 32 34 36 41 43 45 54 57 63 68 25 38 75 79 83 100 104 116 124 133 145 158 35 45 132 158 165 183 198 211 231 248 263 277 295 Torque Limiter Size Coupling Transmissible Torque (Nm) related to Shaft Diameter (mm) ® SERVOPLUS Coupling Clamping Hub Transmissible Torque Locking device execution / GSP Bore and keyway execution / GSP
Torque Limiter Size 12 17 20 25 35 Limit torques for overload (Nm) 0,8 - 7 3 - 23 5 - 50 9 - 100 20 - 200 Maximum speed (rpm) 4000 4000 4000 3000 2500 Thrust washer stroke on overload (mm) 0,8 1,0 1,1 1,3 1,5 ® SERVOPLUS Coupling Size 16 20 30 38 45 Mass Moments of Inertia Weight Combinations Torque Limiter Coupling Total Weight Screws Notes: The data are related to applications with pilot bore coupling. The weights refer only to application with couplings with pilot bore. 7 www.jbj.co.uk/couplings.html #DriveLineHarmony Technical Characteristics Nominal torque (Nm) 5 15 35 65 150 Maximum torque (Nm) 10 30 70 130 300 Maximum axial misalignment (mm) ±0,5 ±0,6 ±0,8 ±0,8 ±1,0 Maximum radial misalignment (mm) 0,20 0,20 0,25 0,25 0,30 Maximum angular misalignment (°) 1,5 1,5 2,0 2,0 2,0 Pressure Bore and keyway 20 40 270 680 1510 -6 2 Flange Side Locking device (x10 kgm) 20 40 280 710 1580 Hub side Clamping hub 28 55 248 726 2152 Bore and keyway Clamping hub (kg) 0,290 0,539 1,212 2,004 3,870 Locking device Clamping hub 0,290 0,539 1,212 2,104 4,070 Clamping device torque No. and type - 6 x M3 6 x M3 8 x M4 8 x M5 8 x M6 Tightening torque (Nm) 1,5 1,5 3,0 5,0 7,5 GSP - Bellows set screw Type - 4 x M3 4 x M3 4 x M4 6 x M4 6 x M5 Tightening torque (Nm) 0,8 0,8 2,0 2,0 3,8 Clamping screw Type - M4 M5 M6 M8 M10 Tightening torque (Nm) 2,9 6,0 10,0 25,0 49,0
www.jbj.co.uk/couplings.html #DriveLineHarmony ® ® SAFEMAX - Torque limiters “GLS/SG/N” with SERVOMATE 8 F max F1 max A B C E Lm P Lc Lg Lg1 L L1 L2 L3 17 15 20 17 50 42 52 47 21 3 13 40 50 69,5 79,5 64 74 20 20 25 20 70 62 68 59 24 4 19 48 63 87 102 80 95 25 25 35 25 85 75 84 70 32 5 24 65 84 110 129 102 121 F: bore tolerance F7. F1: bore tolerance H7. Torque Limiter Size ® SERVOMATE Size Ø10 Ø11 Ø12 Ø14 Ø15 Ø16 Ø19 Ø20 Ø22 Ø24 Ø25 Ø28 Ø30 Ø32 Ø35 17 15 20 22 24 28 30 32 38 40 - - - - - - - 20 20 - - 24 28 30 32 38 40 44 48 50 - - - - 25 25 - - - - 55 59 70 73 81 88 92 103 110 117 128 Torque Limiter Size Coupling Torque Limiter Size Limit torques for overload (Nm) 3 - 23 5 - 50 9 - 100 Maximum speed (rpm) 4000 4000 3000 Thrust washer stroke on overload (mm) 1.0 1.1 1.3 ® SERVOMATE Coupling Size Mass Moments of Inertia Weight Combinations Torque Limiter Coupling Total Weight Screws Standard With Spacer 20 15 25 20 15 25 15 20 25 Notes: The data are related to applications with pilot bore coupling. The weights refer only to application with couplings with pilot bore. Locking device execution / GSM Locking device execution / GSMC Bore and keyway execution / GSM Bore and keyway execution / GSMC LM LC P LG1 L1 E LM C L LG P F1 B A F F7 t Screws L3 L 2 F1 Dimensions Transmissible Torque (Nm) related to Shaft Diameter (mm) ® SERVOMATE Coupling Clamping Hub Transmissible Torque Nominal torque (Nm) 20 30 60 20 30 60 Maximum torque (Nm) 40 60 120 40 60 120 Maximum axial misalignment (mm) ±0,5 ±0,6 ±0,8 ±1.0 ±1,2 ±1,6 Maximum radial misalignment (mm) - - - 0,16 0,25 0.30 Maximum angular misalignment (°) 1,0 1,0 1.0 21,0 1,0 1.0 Pressure Bore and keyway 40 270 680 640 270 680 -6 2 Flange Side Locking device (x10 kgm) 40 280 710 40 280 710 Hub side Clamping hub 48 272 838 82 318 950 Bore and keyway Clamping hub (kg) 0,556 1,218 2,090 0,594 1,310 2,247 Locking device Clamping hub 0,556 1,218 2,190 0,594 1,310 2,347 No. and type - 6 x M3 8 x M4 8 x M5 Clamping Device Torque Tightening torque (Nm) 1,5 3,0 5,0 Type - M6 M6 M8 Clamping Screw Tightening torque (Nm) 10,0 10,0 25,0
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ensuring a continuing high quality service in which customers can have complete confidence. “ “ Driveline H jbj Techniques is a specialist supplier of high-quality products for the mechanical power transmission and fluid power sectors. The company offers a high level of in-house expertise plus a huge selection of products to meet a very broad range of customer applications. From specification, through technical advice and manufacture to after-sales support, jbj Techniques provides a comprehensive and valued service to the power transmission and hydraulics industries. The company fields a UK-wide team of technical sales engineers to ensure that the business is close to its customers, and it enjoys excellent associations with European manufacturers, acting as sole UK distributor in many cases. jbj’s team is recognised for its expertise in the selection and configuration of hydraulic and mechanical transmission systems. Able to draw on an that extensive product range provides the building blocks for bespoke systems both large and small, the in-house design team offers a complete service, ranging from an assessment of customer requirements to full technical backup, including product specification, CAD based system design, system build and certification. Moreover customers can take advantage of jbj’s own machine-shop facilities and skilled engineers guarantee to quality and control costs. jbj Techniques provides one of the widest ranges of couplings available within the UK; mechanical power transmission couplings for a vast range of applications. Ranging from miniature couplings, all steel gear couplings, flexible spider couplings, shaft couplings, torque limiting couplings, disc and grid type couplings, ATEX compliant and shaft locking devices. Magnetic couplings for power transmission between hermetically sealed areas. However as extensive as the selection is, couplings make up a fraction of jbj’s portfolio. As power transmission specialists the company stock and provide gearboxes, clutches, pumps, hydraulic motors, flow meters, fluid power accessories including: cooling & heat exchange products, reservoirs, pipe flanges, seals and level indicators, as well as a variety of bellhousings and engine adaptors, to name just a few of the product categories. jbj Techniques Limited is proud of it’s relationship and reputation with customers and suppliers. The core client base is stable and loyal, which is testament to the quality of service provided by the company. A similar relationship exists with suppliers, ensuring a continuing high quality service in which customers can have complete confidence. Dampers Engine Adaptor Kits Hydraulic Adaptors Torque Limiting Couplings Tyre Couplings Anti-static/Flameproof Couplings Torsionally Rigid Couplings Torsionally Flexible Couplings Bellhousings Permanent Magnetic Couplings Torsional Couplings to Large Combinations Small Individual Components
Harmony comprehensive range of components www.jbj.co.uk an excellence in engineering 01737 767493 info@jbj.co.uk www.jbj.co.uk - registered in England No: 1185469 - jbj Techniques Limited is ISO certificated, committed to international coordination & unification of industrial standards. A range of products ATEX certificated to directive 94/9/E requirements Screw Pumps Pneumatic Motors & Starters Gear Pumps/Motors Axial & Radial Piston Motors Vane Pumps LSHT Motors/Geared Motors Splitter Gearboxes Planetary Gearboxes BDS Clutches BD Clutches & Gearboxes Oil Bath Clutches Flow Dividers Tanks/Accessories Fluid Level Indicators Flanges Mini Power Packs Coolers Pressure Intensifiers You Tube
registered in England No: 1185469 jbj Techniques Limited is ISO certificated, committed to international coordination & unification of industrial standards. A range of products ATEX certificated to directive 94/9/EC requirements set by James Harris, jbj Techniques Limited jbj Techniques Limited 28 Trowers Way Holmethorpe Industrial Estate Redhill Surrey RH1 2LW. UNITED KINGDOM 01737 767493 info@jbj.co.uk www.jbj.co.uk quality products for mechanical & fluid power You Tube
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