Yamato VF2400 class Instruction Manual

Yamato VF2400 class Instruction Manual Manual pdf 15 page image

8VF24002. Installation2.3 Motor, pulley and beltFig. 2-10Table 2M type of V-belt58 ㎜5.5 ㎜10 ㎜40°See the instruction manual for the motor used and installthe motor properly.Clutch motor:To install the clutch motor, align the center of the machinepulley with that of the motor pulley when the motor pulleyshifts to the left while toeing down the pedal.Note: Table 2 shows the outside diameter of the motorpulley, sewing speed of the machine, and size of thebelt when using a clutch motor of 3-phase, 2-pole,550 W (3/4 HP).The outside diameter on the table shows the near-est size to the calculated values based on the com-mercial available pulleys at intervals of 5 mm.Use only those motor pulleys applicable to the machine. Ifnot applicable, the sewing machine will be over maximumand it can cause the damage to the machine.Servomotor:Use a servomotor with 500 W or more.Calculate the outside diameter of a motor pulley from theformula as below.Or see Table 3 to select a proper motor pulley.Outside diameter Usual sewing speedof motor pulley Servomoter speed= × 58 + 5 mmTable 3Outsidediameter ofpulley( ㎜ )Sewing speedof machine(sti/min)Belt size50 Hz 60 Hz Table top Semi-submerged80 4500 M33 M3485 4800 M33 M3490 5100 M34 M3595 4500 5350 M34 M35100 4800 5650 M34 M35105 5000 5950 M35 M36110 5250 6200 M35 M36115 5500 6500 M35 M36120 5750 6800 M36 M37125 6000 M36 M37130 6200 M36 M38135 6450 M37 M38140 6700 M37 M38145 6950 M38 M39Sewing speedof machine(sti/min)Outside diameter of motor pulley(mm)rpm of servomotor3000 rpm 3600 rpm4200 86 734500 92 784700 96 815000 102 865200 106 895500 111 945800 117 986000 121 1026200 125 1056500 131 1107000 140 118