 |
(A. C. Series ) |
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| This drive comprises of :- |
1) |
Spring Loaded Pulley |
2) |
Fixed Diameter Pulley |
3) |
Variable Speed Belt |
4) |
Motor Slide Base |
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|
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The spring loaded pulley is mounted on the shaft of the electric motor which is firmly fixed on the motor slide base or swinging base plate and moved towards or away from the fixed diameter pulley when in operation. |
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As the centre distance changes, the variable speed belt is pulled in or out between the two flanges of the spring loaded pulley, thus changing the effective running diameter of the pulley and the speed variation is achieved of the fixed diameter pulley. |
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The speed variation ratio achieved is 1:3 and in combination with fixed diameter pulleys of various diameters, practically full middle speed range is covered. |
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How To Select :: |
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| WHILE SELECTING THE DRIVE, THE FOLLOWING PARAMETERS ARE ESSENTIAL. |
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| KNOWN :- |
1) |
Motor Power and Speed |
2) |
Driven speed requirement of both maximum and minimum speeds. |
3) |
Approximate centre distances between Motor shaft and machine/ Gear box to suit space condition. |
|
| |
| TO FIND :- |
1) |
Spring Loaded Pulley Size |
2) |
Motor slide base size |
3) |
Fixed pulley diameter |
4) |
Variable speed belt length |
|
| |
| PROCESS :- |
Step 1 |
Select the table according to the motor power & speed. |
Step 2 |
Suitable spring loaded pulley and motor slide base sizes have been specified in the table. |
Step 3 |
Select the fixed pulley diameter according to the required output speed range. |
Step 4 |
Select the suitable belt length, according to the minimum centre distance between Motor shaft and machine or Gear box shaft. |
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Power : 0.25/0.37 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size:12014 |
|
Size: 718090 |
|
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 |
 |
 |
 |
 |
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Motor RPM |
|
1440 |
1906-657 |
1704-587 |
1540-531 |
1380-476 |
1241-428 |
1111-383 |
975-337 |
870-300 |
784-271 |
702-242 |
630-217 |
564-194 |
502-173 |
Fixed Diameter
Pulley Ø (D) |
88 |
98 |
108 |
120 |
133 |
148 |
168 |
188 |
208 |
232 |
258 |
288 |
323 |
Belt Internal
Length LI |
Minimum Center Distance between Motor & Gear Box / Machine Shaft ( C ) |
600 |
161 |
154 |
146 |
137 |
|
|
|
|
|
|
|
|
|
650 |
186 |
179 |
171 |
162 |
151 |
|
|
|
|
|
|
|
|
700 |
211 |
204 |
196 |
187 |
176 |
164 |
|
|
|
|
|
|
|
760 |
241 |
234 |
226 |
217 |
206 |
194 |
178 |
|
|
|
|
|
|
810 |
266 |
259 |
251 |
242 |
231 |
219 |
203 |
186 |
|
|
|
|
|
860 |
291 |
284 |
276 |
267 |
257 |
246 |
228 |
211 |
193 |
|
|
|
|
910 |
316 |
309 |
301 |
292 |
281 |
269 |
253 |
236 |
219 |
197 |
|
|
|
960 |
341 |
334 |
326 |
317 |
307 |
294 |
278 |
261 |
244 |
223 |
199 |
|
|
1010 |
366 |
359 |
351 |
342 |
332 |
319 |
303 |
286 |
269 |
248 |
224 |
|
|
1070 |
396 |
389 |
381 |
372 |
362 |
349 |
333 |
316 |
299 |
278 |
255 |
227 |
|
1140 |
431 |
424 |
416 |
407 |
397 |
384 |
368 |
351 |
334 |
313 |
290 |
263 |
|
1170 |
446 |
439 |
431 |
422 |
412 |
399 |
383 |
366 |
350 |
329 |
306 |
278 |
246 |
1270 |
497 |
489 |
481 |
472 |
462 |
449 |
433 |
417 |
400 |
379 |
356 |
329 |
296 |
1320 |
521 |
514 |
506 |
497 |
487 |
475 |
458 |
442 |
425 |
404 |
381 |
355 |
322 |
1420 |
572 |
564 |
556 |
547 |
537 |
525 |
508 |
492 |
475 |
455 |
432 |
405 |
373 |
1520 |
622 |
614 |
606 |
597 |
587 |
575 |
558 |
542 |
525 |
505 |
482 |
456 |
424 |
1650 |
687 |
679 |
671 |
662 |
652 |
640 |
623 |
607 |
590 |
570 |
548 |
521 |
490 |
|
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|
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Power : 0.55/0.75 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size:15519 |
|
Size: 718090 |
|
|
 |
|
|
 |
 |
|
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Motor RPM |
OUTPUT SPEED RANGE |
1440 |
2494-853 |
2018-690 |
1810-619 |
1628-557 |
1459-499 |
1281-438 |
1142-391 |
1030-352 |
922-314 |
827-283 |
740-253 |
659-226 |
586-200 |
Fixed Diameter
Pulley Ø (D) |
88 |
108 |
120 |
133 |
148 |
168 |
188 |
208 |
232 |
258 |
288 |
323 |
363 |
Belt Internal
Length LI |
Minimum Center Distance between Motor & Gear Box/ Machine Shaft ( C) |
960 |
315 |
300 |
291 |
281 |
270 |
254 |
238 |
221 |
|
|
|
|
|
1010 |
340 |
325 |
316 |
306 |
295 |
279 |
263 |
246 |
226 |
|
|
|
|
1070 |
370 |
355 |
346 |
336 |
325 |
309 |
293 |
276 |
256 |
233 |
|
|
|
1140 |
405 |
390 |
381 |
371 |
360 |
344 |
328 |
311 |
291 |
269 |
242 |
|
|
1220 |
445 |
430 |
421 |
411 |
400 |
384 |
368 |
351 |
331 |
309 |
282 |
|
|
1270 |
470 |
455 |
446 |
436 |
425 |
409 |
393 |
376 |
356 |
334 |
308 |
276 |
|
1320 |
495 |
480 |
471 |
461 |
450 |
434 |
418 |
402 |
382 |
359 |
333 |
302 |
|
1420 |
545 |
530 |
521 |
511 |
500 |
484 |
468 |
452 |
432 |
410 |
384 |
352 |
316 |
1520 |
595 |
580 |
571 |
561 |
550 |
534 |
518 |
502 |
482 |
460 |
434 |
403 |
367 |
1650 |
661 |
645 |
636 |
626 |
615 |
599 |
583 |
567 |
547 |
525 |
499 |
469 |
433 |
|
|
|
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Power : 1.1/1.5 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size:18524 |
|
Size: 718090 |
|
|
 |
|
|
 |
 |
|
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Motor RPM |
OUTPUT SPEED RANGE |
1440 |
1951-846 |
1750-759 |
1538-667 |
1450-629 |
1371-595 |
1238-537 |
1108-480 |
994-431 |
890-386 |
793-344 |
705-30 |
626-272 |
557-242 |
Fixed Diameter
Pulley Ø (D) |
135 |
150 |
170 |
180 |
190 |
210 |
234 |
260 |
290 |
325 |
365 |
410 |
460 |
Belt Internal
Length Li |
Minimum Center Distance between Motor & Gear Box / Machine Shaft (C) |
810 |
184 |
|
|
|
|
|
|
|
|
|
|
|
|
910 |
234 |
223 |
208 |
200 |
|
|
|
|
|
|
|
|
|
960 |
259 |
248 |
233 |
225 |
217 |
|
|
|
|
|
|
|
|
1010 |
284 |
273 |
258 |
250 |
242 |
226 |
|
|
|
|
|
|
|
1070 |
314 |
303 |
288 |
280 |
272 |
256 |
237 |
|
|
|
|
|
|
1140 |
349 |
338 |
323 |
315 |
307 |
291 |
272 |
250 |
|
|
|
|
|
1220 |
389 |
378 |
363 |
355 |
347 |
331 |
312 |
290 |
264 |
|
|
|
|
1270 |
414 |
403 |
388 |
380 |
372 |
356 |
337 |
315 |
289 |
|
|
|
|
1320 |
439 |
428 |
413 |
405 |
397 |
381 |
362 |
340 |
315 |
284 |
|
|
|
1420 |
489 |
478 |
463 |
455 |
447 |
431 |
412 |
390 |
365 |
334 |
299 |
|
|
1520 |
539 |
528 |
513 |
505 |
497 |
481 |
462 |
440 |
415 |
385 |
349 |
|
|
1620 |
590 |
578 |
563 |
555 |
547 |
531 |
512 |
490 |
465 |
435 |
400 |
359 |
|
1730 |
645 |
633 |
618 |
610 |
602 |
586 |
567 |
546 |
520 |
491 |
456 |
415 |
369 |
1830 |
695 |
683 |
668 |
660 |
652 |
636 |
617 |
596 |
571 |
541 |
506 |
466 |
420 |
|
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Power : 2.2/3.7 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size: 22528 |
|
Size: 100112 |
|
|
 |
|
 |
 |
 |
|
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Motor RPM |
OUTPUT SPEED RANGE |
1440 |
2123-900 |
1873-792 |
1671-707 |
1509-638 |
1451-615 |
1350-571 |
1213-514 |
1088-460 |
970-411 |
865-365 |
766-324 |
681-289 |
614-260 |
fixed Diameter
Pulley Ø(D) |
153 |
173 |
193 |
213 |
221 |
237 |
263 |
293 |
328 |
368 |
413 |
463 |
513 |
Belt Internal
Length Li |
Minimum Center Distance between Motor & Gear Box / Machine Shaft( C) |
1010 |
247 |
232 |
217 |
|
|
|
|
|
|
|
|
|
|
1070 |
277 |
262 |
247 |
232 |
|
|
|
|
|
|
|
|
|
1140 |
312 |
297 |
282 |
267 |
261 |
|
|
- |
|
|
|
|
|
1220 |
352 |
337 |
322 |
307 |
301 |
288 |
267 |
|
|
|
|
|
|
1290 |
387 |
372 |
357 |
342 |
336 |
323 |
302 |
|
|
|
|
|
|
1420 |
452 |
438 |
422 |
407 |
401 |
388 |
367 |
343 |
313 |
|
|
|
|
1520 |
503 |
488 |
472 |
457 |
451 |
438 |
417 |
393 |
363 |
329 |
|
|
|
1650 |
568 |
553 |
538 |
522 |
516 |
503 |
482 |
458 |
429 |
394 |
354 |
|
|
1730 |
608 |
593 |
578 |
562 |
556 |
543 |
522 |
498 |
469 |
435 |
395 |
|
|
1900 |
693 |
678 |
663 |
647 |
641 |
628 |
607 |
583 |
554 |
520 |
481 |
436 |
|
2060 |
773 |
758 |
743 |
727 |
721 |
708 |
688 |
663 |
634 |
600 |
562 |
517 |
471 |
2280 |
883 |
868 |
853 |
837 |
831 |
818 |
798 |
773 |
745 |
711 |
672 |
629 |
584 |
|
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|
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Power : 3.7 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size: 27028 |
|
Size: 100112 |
|
|
 |
|
|
|
|
|
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Motor RPM
1440 |
OUTPUT SPEED RANGE |
2561-102/ |
2254-903 |
2013-806 |
1850-728 |
1748-700 |
1625-651 |
1461-586 |
1309-525 |
1168-46i |
1039-41 |
922-369 |
820-329 |
740-296 |
Fixed Diameter
Pulley Ø( D ) |
153 |
173 |
193 |
213 |
221 |
237 |
263 |
293 |
328 |
368 |
413 |
463 |
513 |
Belt Internal
Length Li |
Minimum Center Distance between Motor & Gear Box / Machine Shaft( C ) |
1140 |
273 |
259 |
|
|
|
|
|
|
|
|
|
|
|
1220 |
313 |
299 |
285 |
|
|
|
|
|
|
|
|
|
|
1290 |
349 |
335 |
320 |
306 |
309 |
288 |
|
|
|
|
|
|
|
1420 |
414 |
400 |
385 |
371 |
365 |
353 |
333 |
309 |
|
|
|
|
|
1520 |
465 |
450 |
436 |
421 |
415 |
403 |
383 |
359 |
330 |
|
|
|
|
1650 |
530 |
515 |
501 |
486 |
478 |
468 |
448 |
424 |
395 |
362 |
|
|
|
1730 |
570 |
556 |
541 |
526 |
520 |
508 |
488 |
464 |
436 |
402 |
364 |
|
|
1900 |
655 |
641 |
626 |
611 |
605 |
593 |
573 |
549 |
521 |
488 |
449 |
|
|
2060 |
736 |
721 |
706 |
691 |
685 |
673 |
653 |
629 |
601 |
568 |
530 |
487 |
442 |
2280 |
846 |
831 |
816 |
801 |
795 |
783 |
763 |
739 |
711 |
678 |
640 |
597 |
553 |
|
|
|
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Power : 5.5/7.5/9.3 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size: 31038 |
|
Size: 100112 |
|
|
 |
|
 |
 |
 |
|
| |
Motor RPM |
OUTPUT SPEED RANGE |
1440 |
2093-838 |
1875-751 |
1686-675 |
1510-605 |
1348-539- |
1199-480 |
1067-427 |
950-380 |
856-343 |
765-307 |
FIxed Diameter
Pulley Ø ( D ) |
214 |
238 |
264 |
294 |
329 |
369 |
414 |
464 |
514 |
574 |
Belt Internal
Length Li |
Minimum Center Distance between Motor & Gear Box / Machine Shaft( C ) |
1250 |
259 |
|
|
|
|
|
|
|
|
|
1290 |
279 |
262 |
|
|
|
|
|
|
|
|
1420 |
344 |
327 |
308 |
|
|
|
|
|
|
|
1520 |
395 |
377 |
358 |
335 |
|
|
|
|
|
|
1650 |
460 |
442 |
423 |
400 |
372 |
|
|
|
|
|
1730 |
500 |
482 |
463 |
440 |
412 |
380 |
|
|
|
|
1830 |
550 |
532 |
513 |
490 |
462 |
430 |
392 |
|
|
|
2060 |
665 |
647 |
628 |
605 |
577 |
545 |
508 |
465 |
|
|
2280 |
774 |
758 |
738 |
715 |
687 |
655 |
618 |
576 |
533 |
480 |
|
|
|
| |
Power : 11/15 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size: 36042 |
|
Size: 132160 180 |
|
|
 |
|
|
 |
 |
|
| |
Motor RPM |
OUTPUT SPEED RANGE |
1440 |
1740-714 |
1550-637 |
1378-567 |
1225-504 |
1093-449 |
983-406 |
881-362 |
785-323 |
698-287 621-255 |
Fixed Diamete
Pulley Ø ( D ) |
298 |
333 |
373 |
418 |
468 |
518 |
578 |
648 |
728 |
818 |
Belt Internal
Length Li |
Minimum Center Distance between Motor & Gear Box / Machine Shaft( C ) |
2060 |
569 |
542 |
511 |
475 |
|
|
|
|
|
|
2280 |
679 |
652 |
621 |
585 |
544 |
502 |
|
|
|
|
2440 |
759 |
732 |
701 |
665 |
624 |
583 |
531 |
|
|
|
2840 |
959 |
933 |
901 |
865 |
825 |
783 |
732 |
671 |
599 |
|
3050 |
1065 |
1038 |
1006 |
970 |
930 |
889 |
838 |
778 |
707 |
625 |
3300 |
1190 |
1163 |
1131 |
1095 |
1055 |
1014 |
963 |
903 |
832 |
750 |
3660 |
1370 |
1343 |
1311 |
1275 |
1235 |
1194 |
1144 |
1084 |
1013 |
933 |
|
|
|
| |
Power : 18.5 KW at 1440 RPM |
Spring Loaded Pulley |
Assembly |
Motor Slide Base |
Fixed Diameter
Pulley |
Variable Speed
Belt Section |
Size: 37548 |
|
Size: 132160 180 |
|
|
 |
|
|
|
|
|
| |
Motor RPM |
OUTPUT SPEED RANGE |
1440 |
1806-812 |
1610-725 |
1435-644 |
1275-575 |
1138-512 |
1025-462 |
917-412 |
817-367 |
725-326 |
645-291 |
Fixed Diameter
Pulley Ø ( D ) |
298 |
333 |
373 |
418 |
468 |
518 |
578 |
648 |
728 |
818 |
Belt Internal
Length Li |
Minimum Center Distance between Motor & Gear Box / Machine Shaft( C ) |
2060 |
557 |
530 |
499 |
464 |
|
|
|
|
|
|
2280 |
667 |
640 |
609 |
574 |
533 |
491 |
|
|
|
|
2670 |
862 |
836 |
804 |
769 |
728 |
687 |
636 |
|
|
|
2840 |
947 |
921 |
889 |
854 |
813 |
772 |
721 |
661 |
589 |
|
3050 |
1052 |
1026 |
994 |
959 |
919 |
877 |
827 |
767 |
697 |
615 |
3300 |
1177 |
1151 |
1119 |
1084 |
1044 |
1003 |
952 |
892 |
822 |
740 |
3660 |
1358 |
1331 |
1299 |
1264 |
1224 |
1183 |
1133 |
1073 |
1003 |
923 |
|
| |
