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Variable Speed Pulley Drive For Wide 'V' Belts > Adjustable Center Variable Speed Pulley Drives Interchange to Lenze

Adjustable Center Variable Speed Pulley Drives Interchange to Lenze Pulley

Adjustable Center Variable Speed Pulley Drives

Speed Variation Ratio - 1 : 3

0.25 KW TO 18.5 KW

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.

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.

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.

Variable Speed Pulley Drives

This drive comprises of :-

  • Spring Loaded Pulley
  • Fixed Diameter Pulley
  • Variable Speed Belt
  • Motor Slide Base

How To Select

While selecting the drive, the following parameters are essential.

Known -

  • Motor Power and Speed
  • Driven speed requirement of both maximum and minimum speeds.
  • Approximate centre distances between Motor shaft and machine/ Gear box to suit space condition.

To Find -

  • Spring Loaded Pulley Size
  • Motor slide base size
  • Fixed pulley diameter
  • 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.
Power : 0.25/0.37 KW at 1440 RPM
Motor RPM OUTPUT SPEED RANGE
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 Ų (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
Power : 0.55/0.75 KW at 1440 RPM
 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 Ų (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
Power : 1.1/1.5 KW at 1440 RPM
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 Ų (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
Power : 2.2/3.7 KW at 1440 RPM
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 Ų(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
Power : 3.7 KW at 1440 RPM
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 Ų( 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
Power : 5.5/7.5/9.3 KW at 1440 RPM
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 Ų ( 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
 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 Ų ( 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
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 Ų ( 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

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Manufacturer and Exporter of Mechanical Variable Speed Pulley Drives, Stepless Variable Speed Belt Drives, Variable Speed Belts, Variable Speed Drive for flameproof / explosive areas. We also design & manufacture custom built drives & pulleys as per customer's requirements, Adjustable Center Variable Speed Pulley Drives interchange to Lenze, Fixed Center Variable Speed Pulley Drives (FC Series) - Interchange to Lenze, Asymmetric Variable Speed Belt Drives Interchange to BECKER / BERGES, Adjustable Center Variable Speed Pulley Drives With Diaphragm Springs, Adjustable Motor Slide Base, Adjustable Center Variable Speed Drive For Standard 'V' Belts, Variable Speed Fixed Center Drive For Standard 'V' Section Belts, Variable Speed Pulley for Heidelberg Printing Machine, T.B. Woods Variable Speed Pulley, Berges Type RF b & Fsb, Variable Speed Pulley Drive for Tablet Compression Machine, Variable Speed Pulley drives for GTO / MO Printing machines, Variable Speed Pulley for MBO & Stahl Folding Machines, Mechanical Variator For AMADA Bandsaw Machine Interchange to MIKI, PIV Mechanical Variable speed gear box, PIV Mechanical Variable Speed Drive

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