STRAIGHT SPUR GEARS and RACKS

STRAIGHT SPUR GEARS and RACKS SPUR GEARS WITH LATERAL HUB page 4 SPUR GEARS WITHOUT HUB 7 RACKS 9

SPUR GEARS AND RACKS SPUR GEARS AND RACKS SPUR GEARS WITHOUT HUB SPUR GEARS WITH LATERAL HUB RACKS

STRAIGHT SPUR GEARS AND RACKS Straight gears and racks are the classical components for mechanical transmission of rotary and transverse movements between moving parts of machines. This explains why these components are so widespread and are used to such a large extent in various sectors of general mechanics such that in practice it is impossible to find a rigid type power transfer drive chain which does not adopt these basic components. However, the needs of industry are extremely complex as regards the performance required from the gear and the rack and reflect the typical operating conditions in terms of precision or resistance of final use for which the gear and the rack are designed. This is why proposing a product intended to meet any need expressed by industrial experience would be unthinkable. CHIARAVALLI GROUP SpA has made a basic choice with this aspect in mind, deciding to offer industry a broad range of gears and racks for general use, combined in a standardised series, which is characterised by excellent quality. The gears and racks produced using standardised C4 steel are manufactured adopting modular sizes in accordance with a reference profile that complies with DIN 3972 II and a full head radius. This ensures complete engagement at the base of the tooth with an obvious increase in the bending resistance. The internal specifications that define the geometry of the tooth prescribe a marked K profile for the side surface, with a strict limitation of the profile errors to negative deviations. This has a positive influence on the level of noise of the tootheair, since the engaging impacts to the teeth head are reduced. The systematic use of latest generation CNC gear hobbing machines, special hobs designed for very high cutting speeds and specifically developerocessing technologies, enable a general precision to be assured in compliance with DIN 3962 Standards and a degree of surface finish that is not readily achieved with operations using a hob gear cutting machine. The working tolerance for tooth thickness has been chosen to comply with the cd 2 Coupling Category in accordance with DIN 3967 Standards, which defines the position and the size of the tolerance range and therefore the coupling gap between the gears. A processing tolerance equal to js 8 for the centre distance is recommended in compliance with DIN 3964 Standards for normal operating conditions, which if adopted, enables us to assure a minimum working coupling gap of adequate size, while at the same time limiting the value of the maximum gap. Similar considerations apply in the case of the gear-rack coupling, since the latter is manufactured adopting the same coupling category. Our Technical Department is available and willing to recommend the most appropriate assembly tolerances to Customers who are interested, although we are also able to manufacture gears with coupling gaps that are larger or smaller compared with the standard value to meet specific needs. We are able to manufacture our straight gears as illustrated in the catalogue with a lengthwise crowning of the teeth, at the request of customers. This solution is particularly useful if the user is unable to ensure a perfect alignment between the axes. THE RANGE OF MACHINES USED, COMPRISING ALMOST ENTIRELY OF VERY MODERN MACHINES THAT HAVE CUTTING EDGE FEATURES AND DESIGN ENABLES OUR COMPANY TO PRODUCE GEARS BASED ON A DRAWING IN QUALITATIVE AT A VERY COMPETITIVE PRICE. Our Technical Department is available to carry out a preliminary examination of any processing problems experienced by Customers and to prepare cost estimates.

4 STRAIGHT SPUR GEARS AND RACKS STRAIGHT SPUR GEARS AND RACKS WITH LATERAL HUB Pressure angle: 2 MATERIAL C 4 UNI 784 Z 12 13 14 1 16 17 18 19 2 21 22 23 24 2 26 27 28 29 3 31 32 33 34 3 36 37 38 39 4 41 42 43 44 4 46 47 48 49 1 2 3 4 6 7 8 9 6 61 62 63 64 6 66 67 68 69 7 MODULE 1 31112 14 12 9,1 31113 1 13 1,2 31114 16 14 1 6,2 3111 17 1 12 6,2 31116 18 16 13 6,3 31117 19 17 14 8,3 31118 2 18 1 8,3 31119 21 19 1 8,4 3112 22 2 16 8,4 31121 23 21 16 8, 31122 24 22 18 8, 31123 2 23 18 8,6 31124 26 24 2 8,6 3112 27 2 2 8,7 31126 28 26 2 8,7 31127 29 27 2 8,8 31128 3 28 2 8,8 31129 31 29 2 8,9 3113 32 3 2 8,9 31131 33 31 2 1,11 31132 34 32 2 1,12 31133 3 33 2 1,12 31134 36 34 2 1,13 3113 37 3 2 1,14 31136 38 36 2 1,14 31137 39 37 2 1,1 31138 4 38 2 1,16 31139 41 39 2 1,16 3114 42 4 2 1,17 31141 43 41 3 1,19 31142 44 42 3 1,2 31143 4 43 3 1,21 31144 46 44 3 1,22 3114 47 4 3 1,23 31146 48 46 3 1,23 31147 49 47 3 1,24 31148 48 3 1,3 31149 1 49 3 1,36 311 2 3 12,26 3111 3 1 4 12,32 3112 4 2 4 12,33 3113 3 4 12,33 3114 6 4 4 12,34 311 7 4 12,36 3116 8 6 4 12,37 3117 9 7 4 12,38 3118 6 8 4 12,39 3119 61 9 4 12,4 3116 62 6 4 12,41 31161 63 61 12,47 31162 64 62 12,49 31163 6 63 12, 31164 66 64 12,1 3116 67 6 12,2 31166 68 66 12,3 31167 69 67 12, 31168 7 68 12,6 31169 71 69 12,7 3117 72 7 12,8 dm D1 B A dp de MODULE 1, WIDTH BAND B for: Module 1 = 1 mm Module 1. = 17 mm Module 2 = 2 mm 31112 21, 18, 14 8,4 31113 22, 19, 14 8, 31114 24, 21, 17 8,6 3111 2, 22, 18 8,7 31116 27, 24, 2 8,8 31117 28, 2, 2 8,9 31118 3, 27, 2 8,1 31119 31, 28, 2 8,1 3112 33, 3, 2 8,13 31121 34, 31, 2 1,13 31122 36, 33, 2 1,14 31123 37, 34, 2 1,16 31124 39, 36, 2 1,17 3112 4, 37, 2 1,18 31126 42, 39, 3 12,2 31127 43, 4, 3 12,22 31128 4, 42, 3 12,23 31129 46, 43, 3 12,24 3113 48, 4, 3 12,26 31131 49, 46, 3 12,3 31132 1, 48, 3 12,31 31133 2, 49, 3 12,33 31134 4, 1, 3 12,34 3113, 2, 3 12,36 31136 7, 4, 3 12,37 31137 8,, 4 12,42 31138 6, 7, 4 12,44 31139 61, 8, 4 12,46 3114 63, 6, 4 12,48 31141 64, 61, 14, 31142 66, 63, 14,9 31143 67, 64, 14,61 31144 69, 66, 14,63 3114 7, 67, 14,6 31146 72, 69, 14,66 31147 73, 7, 14,7 31148 7, 72, 14,7 31149 76, 73, 14,73 311 78, 7, 14,76 3111 79, 76, 6 1,86 3112 81, 78, 6 1,89 3113 82, 79, 6 1,91 3114 84, 81, 6 1,94 311 8, 82, 6 1,96 3116 87, 84, 6 1,98 3117 88, 8, 6 1 1, 3118 9, 87, 6 1 1,3 3119 91, 88, 6 1 1,6 3116 93, 9, 6 1 1,9 31161 94, 91, 7 2 1,22 31162 96, 93, 7 2 1,2 31163 97, 94, 7 2 1,28 31164 99, 96, 7 2 1,31 3116 1, 97, 7 2 1,34 31166 12, 99, 7 2 1,37 31167 13, 1, 7 2 1,4 31168 1, 12, 7 2 1,43 31169 16, 13, 7 2 1,46 3117 18, 1, 7 2 1, Quantity, availability anrices TOTAL WIDTH A for: Module 1 = 2 mm Module 1. = 3 mm Module 2 = 3 mm MODULE 2 31212 28 24 18 1,8 31213 3 26 19 1,1 31214 32 28 2 1,12 3121 34 3 22 1,14 31216 36 32 24 1,16 31217 38 34 2 1,18 31218 4 36 2 1,19 31219 42 38 2 1,21 3122 44 4 3 1,26 31221 46 42 3 12,27 31222 48 44 3 12,29 31223 46 3 12,31 31224 2 48 3 12,36 3122 4 3 12,39 31226 6 2 4 12,4 31227 8 4 4 12,47 31228 6 6 4 12, 31229 62 8 4 14,2 3123 64 6 4 14, 31231 66 62 4 14,61 31232 68 64 4 14,6 31233 7 66 4 14,68 31234 72 68 4 14,71 3123 74 7 4 14,74 31236 76 72 4 14,78 31237 78 74 14,86 31238 8 76 14,9 31239 82 78 14,93 3124 84 8 14,97 31241 86 82 6 16 1, 31242 88 84 6 16 1,9 31243 9 86 6 16 1,13 31244 92 88 6 16 1,23 3124 94 9 6 16 1,27 31246 96 92 6 16 1,31 31247 98 94 6 16 1,48 31248 1 96 7 16 1,3 31249 12 98 7 16 1,7 312 14 1 7 16 1,62 3121 16 12 7 2 1,67 3122 18 14 7 2 1,72 3123 11 16 7 2 1,78 3124 112 18 7 2 1,83 312 114 11 7 2 1,88 3126 116 112 7 2 1,94 3127 118 114 7 2 1,99 3128 12 116 7 2 2, 3129 122 118 7 2 2,11 3126 124 12 7 2 2,16 31261 126 122 8 2 2,36 31262 128 124 8 2 2,42 31263 13 126 8 2 2,48 31264 132 128 8 2 2, 3126 134 13 8 2 2,61 31266 136 132 8 2 2,67 31267 138 134 8 2 2,74 31268 14 136 8 2 2,81 31269 142 138 8 2 2,87 3127 144 14 8 2 2,94

STRAIGHT SPUR GEARS AND RACKS WITH LATERAL HUB Pressure angle: 2 Z 12 13 14 1 16 17 18 19 2 21 22 23 24 2 26 27 28 29 3 31 32 33 34 3 36 37 38 39 4 41 42 43 44 4 46 47 48 49 1 2 3 4 6 7 8 9 6 MODULE 2, 31212 3, 3, 22 1,17 31213 37, 32, 2 1,21 31214 4, 3, 28 1,2 3121 42, 37, 3 1,3 31216 4, 4, 32 12,33 31217 47, 42, 3 12,38 31218, 4, 3 12,42 31219 2, 47, 3 12,4 3122,, 4 14,4 31221 7, 2, 4 14,6 31222 6,, 4 14,66 31223 62, 7, 4 14,7 31224 6, 6, 4 14,74 3122 67, 62, 14,8 31226 7, 6, 14,9 31227 72, 67, 14,9 31228 7, 7, 14 1, 31229 77, 72, 14 1,6 3123 8, 7, 16 1,18 31231 82, 77, 16 1,22 31232 8, 8, 16 1,28 31233 87, 82, 16 1,34 31234 9, 8, 16 1,41 3123 92, 87, 6 16 1,4 31236 9, 9, 6 16 1,61 31237 97, 92, 6 16 1,68 31238 1, 9, 6 16 1,7 31239 12, 97, 6 16 1,83 3124 1, 1, 7 2 2,6 31241 17, 12, 7 2 2,14 31242 11, 1, 7 2 2,22 31243 112, 17, 7 2 2,3 31244 11, 11, 7 2 2,38 3124 117, 112, 7 2 2,47 31246 12, 11, 7 2 2,2 31247 122, 117, 8 2 2,8 31248 12, 12, 8 2 2,88 31249 127, 122, 8 2 2,98 312 13, 12, 8 2 3,7 3121 132, 127, 9 2 3,17 3122 13, 13, 9 2 3,48 3123 137, 132, 9 2 3,8 3124 14, 13, 9 2 3,68 312 142, 137, 9 2 3,78 3126 14, 14, 1 2 4,13 3127 147, 142, 1 2 4,23 3128 1, 14, 1 2 4,34 3129 12, 147, 1 2 4,46 3126 1, 1, 1 2 4,7 dm D1 B A dp de WIDTH BAND B for: Module 2. = 2 mm Module 3 Module 4 MODULE 3 31312 42 36 2 12,28 31313 4 39 2 12,34 31314 48 42 3 12,41 3131 1 4 3 12,47 31316 4 48 38 1,4 31317 7 1 42 1,63 31318 6 4 4 1,72 31319 63 7 4 1,78 3132 66 6 4 1,84 31321 69 63 4 1,89 31322 72 66 1 1,2 31323 7 69 1 1,1 31324 78 72 16 1,18 3132 81 7 6 16 1,39 31326 84 78 6 16 1,48 31327 87 81 6 16 1,6 31328 9 84 6 16 1,66 31329 93 87 6 16 1,7 3133 96 9 6 16 1,8 31331 99 93 7 2 1,9 31332 12 96 7 2 2,21 31333 1 99 7 2 2,32 31334 18 12 7 2 2,43 3133 111 1 7 2 2, 31336 114 18 7 2 2,62 31337 117 111 8 2 2,74 31338 12 114 8 2 3, 31339 123 117 8 2 3,18 3134 126 12 8 2 3,31 31341 129 123 9 2 3,44 31342 132 126 9 2 3,8 31343 13 129 9 2 3,72 31344 138 132 9 2 4,7 3134 141 13 9 2 4,22 31346 144 138 9 2 4,37 31347 147 141 9 2 4,76 31348 1 144 1 2 4,92 = 3 mm = 4 mm TOTAL WIDTH A for: Module 2. = 4 mm Module 3 Module 4 = mm = 6 mm MODULE 4 31412 6 48 3 14,63 31413 6 2 4 14,78 31414 64 6 4 14,93 3141 68 6 4 14 1, 31416 72 64 1 1,2 31417 76 68 1 1,33 31418 8 72 1 1,47 31419 84 76 6 1 1,7 3142 88 8 6 1 1,9 31421 92 84 7 2 2,22 31422 96 88 7 2 2,39 31423 1 92 7 2 2,6 31424 14 96 7 2 2,79 3142 18 1 7 2 2,98 31426 112 14 7 2 3,18 31427 116 18 7 2 3,39 31428 12 112 7 2 3,6 31429 124 116 7 2 3,83 3143 128 12 7 2 4,6 31431 132 124 8 2 4,39 31432 136 128 8 2 4,64 31433 14 132 8 2 4,9 31434 144 136 8 2,16 3143 148 14 8 2,43 31436 12 144 8 2,63 STRAIGHT SPUR GEARS AND RACKS MATERIAL C 4 UNI 784 Quantity, availability anrices

6 STRAIGHT SPUR GEARS AND RACKS STRAIGHT SPUR GEARS AND RACKS WITH LATERAL HUB Pressure angle: 2 Z 12 13 14 1 16 17 18 19 2 21 22 23 24 2 26 27 28 29 3 31 32 33 34 3 36 37 38 39 4 41 42 43 44 4 46 47 48 49 1 2 3 4 6 7 8 9 6 MODULE 3112 7 6 4 16 1,21 3113 7 6 16 1,47 3114 8 7 2 1,76 311 8 7 6 2 2,7 3116 9 8 6 2 2,4 3117 9 8 7 2 2,7 3118 1 9 7 2 3,2 3119 1 9 7 2 3,3 312 11 1 8 2 3,83 3121 11 1 8 2 4,1 3122 12 11 8 2 4,48 3123 12 11 9 2,8 3124 13 12 9 2,44 312 13 12 9 2,82 3126 14 13 1 2 6, 3127 14 13 1 2 6,91 3128 1 14 1 2 7,22 3129 1 14 1 2 7,98 313 16 1 1 2 8,44 dm D1 B A dp de WIDTH BAND B for: Module Module 6 Module 8 MODULE 6 31612 84 72 4 16 1,98 31613 9 78 6 16 2,38 3161 12 9 7 2 3,29 31616 18 96 7 2 3,8 31618 12 18 8 2 4,76 3162 132 12 9 2,99 31624 16 144 11 2 8,7 3162 162 1 11 2 9,33 = mm = 6 mm = 8 mm TOTAL WIDTH A for: Module Module 6 Module 8 MODULE 8 = 7 mm = 8 mm = 11 mm 3181 136 12 9 2 8,2 31818 16 144 1 2 11,7 3182 176 16 12 3 14,6 31824 28 192 1 3 21,7 3182 216 2 1 3 23,3 31828 24 224 17 3 29, 3183 26 24 19 3 34,4 MATERIAL C 4 UNI 784 Quantity, availability anrices

STRAIGHT SPUR GEARS AND RACKS 7 WITHOUT HUB LATERAL Pressure angle: 2 Z 7 6 6 7 72 7 76 8 8 9 9 1 11 114 12 127 MODULE 1 32172 74 72 12,46 3217 77 7 12,1 32176 78 76 12,2 3218 82 8 12,8 3218 87 8 12,6 3219 92 9 12,73 3219 97 9 12,82 3211 12 1 12,91 32111 112 11 12 1,1 321114 116 114 12 1,19 32112 122 12 12 1,32 321127 129 127 12 1,47 B D1 dp de WIDTH BAND B for: Module 1 = 1 mm Module 1. = 17 mm Module 2 = 2 mm Module 2. = 2 mm MODULE 1. MODULE 2 MODUE 2. 32172 111 18 2 1,19 3217 11, 112, 2 1,3 32176 117 114 2 1,33 3218 123 12 2 1,48 3218 13, 127, 2 1,67 3219 138 13 2 1,78 3219 14, 142, 2 2,9 3211 13 1 2 2,32 32111 168 16 2 2,82 321114 174 171 2 3,3 32112 183 18 2 3,36 321127 193, 19, 2 3,77 32272 148 144 2 2, 3227 14 1 2 2,61 32276 16 12 2 2,79 3218 164 16 2 3,9 3218 174 17 2 3, 3219 184 18 2 3,93 3219 194 19 2 4,39 3211 24 2 2 4,87 32111 224 22 2,9 321114 232 228 2 6,34 32112 244 24 2 7,3 321127 28 24 2 7,89 3226 167, 162, 2 3,99 3227 18 17 2 4,64 32272 18 18 2 4,91 3227 192, 187, 2,33 32276 19 19 2,48 3228 2 2 2 6,4 3228 217, 212, 2 6,84 3229 23 22 2 7,68 3229 242, 237, 2 8,7 3221 2 2 2 9,1 32211 28 27 2 11,3 322114 29 28 2 12,39 32212 3 3 2 13,74 322127 322, 317, 2 1,4 STRAIGHT SPUR GEARS AND RACKS MATERIAL C 4 UNI 784 Quantity, availability anrices

8 STRAIGHT SPUR GEARS AND RACKS STRAIGHT SPUR GEARS AND RACKS WITHOUT HUB LATERAL Pressure angle: 2 Z 28 3 32 3 38 4 4 48 2 7 6 6 7 72 7 76 8 8 9 9 1 11 114 12 127 MODULE 3 323 16 1 2 4,6 3232 162 16 2 4,4 323 171 16 2 4,93 3237 177 171 2,3 3236 186 18 2,89 3236 21 19 2 6,92 3237 216 21 2 8, 32372 222 216 2 8,47 3237 231 22 2 9,21 32376 234 228 2 9,46 3238 246 24 2 1,49 3238 261 2 2 11,76 3239 276 27 2 13,82 3239 291 28 2 14,86 3231 36 3 2 16,48 32311 336 32 2 19,97 323114 348 342 2 21,4 32312 366 36 2 23,74 323127 387 381 2 26,61 B D1 dp de WIDTH BAND B for: Module 3 Module 4 Module Module 6 = 3 mm = 4 mm = mm = 6 mm MODULE 4 MODULE MODULE 6 32438 16 12 2,2 3244 168 16 2 6,11 3244 188 18 2 7,68 32448 2 192 2 8,87 324 28 2 2 9,6 3242 216 28 2 1,4 324 228 22 2 11,1 3247 236 228 2 12,9 3246 248 24 2 13,97 3246 268 26 2 16,43 3247 288 28 2 19,9 3247 38 3 2 21,94 32476 312 34 2 22,47 3248 328 32 2 24,83 3248 348 34 2 28,18 3249 368 36 2 31,62 3249 388 38 2 3,26 3241 48 4 2 39,11 32411 448 44 2 47,38 324114 464 46 2,91 3232 17 16 2 7,62 323 18 17 2 9,16 3238 2 19 3 1,84 324 21 2 3 12,4 324 23 22 3 1,3 3248 2 24 3 17,44 32 26 2 3 18,69 322 27 26 3 2,43 32 28 27 3 22,89 327 29 28 3 24,62 326 31 3 3 27,31 326 33 32 3 32,12 327 36 3 3 37,31 327 38 37 3 42,88 3276 39 38 3 44,4 328 41 4 3 48,84 328 43 42 3,19 329 46 4 3 61,92 329 48 47 3 69,3 321 1 3 76,3 3211 6 3 92,69 32114 8 7 3 99,9 32628 18 168 2 1, 3263 192 18 2 11, 32632 24 192 2 13,22 3263 222 21 2 1,79 32638 24 228 2 18,74 3264 22 24 2 2,7 MATERIAL C 4 UNI 784 Quantity, availability anrices

RACKS INSTRUCTIONS FOR CONTINUOUS MOUNTING 9 Tolerance on the pitch: = fpt from M=1 up to M=3 = ±,28 from M=4 up to M=1 = ±,4 Tolerance on the sum of the wheelbases on 1 mm = ±,8 Quality class 9 as per norm DIN 3962/63/67 Pressure angle 2 M B h11 H h12 dr ho M M - ho L= real lenght of the rack x continuous mounting - 1 1 1 2 14 1,71 1,71 2,1 ±,3 11,6 ±,3 2,4 ±,3 2999,3 -,11 -,18 1, 17 17 3 1, 18,9-2,9 3,6 ±,3 13,1 ±,3 22, ±,3 3,8 -,11 -,18-2 2 2 4 18 21,43 3,43 2,1 ±,3 14,6 ±,3 23,6 ±,3 32,4 -,13 -,21 2, 2 2 22, 26,81-4,31 2,1 ±,3 14,6 ±,3 21,8 ±,3 2999,1 -,13 -,21 3 3 3 6 27 32,2 -,2 8,3 ±,3 17,7 ±,3 26,4 ±,3 3,4 -,13 -,21 4 3 3 8 26 32,92-6,92 2,1 ±,3 14,6 ±,3 29,7 ±,3 32,3 -,13 -,21 4 4 4 8 36 42,92-6,92 2,1 ±,3 14,6 ±,3 29,7 ±,3 32,3 -,16 -,2 1 4 3,66-8,66 2,1 ±,3 14,6 ±,3 29,7 ±,3 2999,1 -,16 -,2 6 6 6 12 4 64,6-1,6 8,3 ±,3 117, ±,3 216, ±,3 314,8 -,19 -,3 8 8 8 14 72 82,2-1,2 - - 23,3 ±,3 - -,19 -,3-1 8 8 18 7 83,74 13,74 - - 29,7 ±,3 - -,19 -,3 H h12 -,3 -,3 -,3 -,4 -,4 -,4 -,4 -,4 -,4 -,4 -,4 B h11 _ L dr _ ho M //,2 -, Master rack mounting coupling dr = ø diameter control plug ±,3 ±,3 ±,3 ±,3 ±,3 ±,3 ±,3 ±,3 ±,3 RACKS INSTRUCTIONS FOR CONTINUOUS MOUNTING MATERIAL C 4 NORMALIZE Quantity, availability anrices

1 RACKS RACKS Pressure angle: 2 All the racks provided by Chiaravalli Group SpA are realized for continuous mounting. h ho b L DIMENSIONS b x h M PART NUMBER b h ho L 1 391 1 1 14,82 3911 1 1,64 3912 2 3,2 3913 3 4,8 1, 391 17 17 1, 1, 3911 1 2, 3912 2 4, 3913 3 6, 2 392 2 2 18 1,41 3921 1 2,7 3922 2, 3923 3 8,2 2, 392 2 2 22, 2,1 3921 1 4, 3922 2 9, 3923 3 13,4 3 393 3 3 27 3,1 3931 1 6, 3932 2 13, 3933 3 19,4 4 3939 3 3 26 3, 39391 1 6,1 39392 2 12, 4 394 4 4 36, 3941 1 11, 3942 2 23, 3943 3 34, 39 4 8,3 391 1 17, 392 2 3, 393 3 2,4 6 396 6 6 4 12,6 3961 1 2, 3962 2 1, 3963 3 76,4 8 3982 8 8 72 2 92, 1 39992 8 8 7 2 87,9 MATERIAL C 4 NORMALIZE Quantity, availability anrices

RIGHT-ANGLE CHQ The right-angle gear drives of the CHQ series were designed for industrial applications, where it is necessary to transmit rotary power motion between axes arrangeerpendicularly. Eight different sizes, five gear ratios (or speed multipliers) 1:1-1:1. - 1:2-1:3-1:4, shafts with diameters ranging from 11 to 8 mm, through hollow shafts with diameters from 12 to 8 mm with splines from 4 to 22 mm, or hollow shafts with UNI 893 NT grooverofile from 6x11x14 to 1x72x82. Also available are hollow shafts set-up for driving with locking set, and flanges with hollow shaft and spline seat for electric motor coupling in B and B14 versions, size from 86 to 16. Powers up to 1,74 kw, torques up to 9,16 Nm, rotation speed up to 3, rpm and even faster.

SPECIAL COMPONENTS MANUFACTURING We produce high precision Gears and Special Mechanical Components. A large and varied range of modern CNC machine tools assures large capacity production at high quality level. operate using the most modern CAE and CAD-CAM technologies. The production is certified and assured using three-dimensional high precision measuring machines. Chiaravalli Group SpA co-workers, highly skilful and motivated by a great spirit of belonging to the company, Chiaravalli Group SpA your technological partner for high quality production.