细纱机的传动和工艺计算fa-506（Transmission and process calculation of spinning frame fa-506）.doc

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细纱机的传动和工艺计算fa-506（Transmission and process calculation of spinning frame fa-506）.doc

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细纱机的传动和工艺计算fa-506（Transmission and process calculation of spinning frame fa-506） Transmission and process calculation of spinning frame I. drive system The mechanical transmission of the FA506 spinning frame is shown as follows. The drive system is as follows: Roll disk, spindle, small swing arm, level lifting wheel, double elasticity Front roller twist bar flat Winding, shaping, shaping, adding stage lifting weighing system The main gear arm is with the bottom of the pipe The electric spindle is to the main shaft Dynamic lifting of machine nail chain wheel To Twist order, twist ratio, back draft, middle roller, downward change, guide Segment change, transform, transform, gear, axis, yarn hook, short movement Gear, gear drawing, medium range lifting Transform to inter Gear shaft - rear roller - transverse movement Fig. FA506 transmission diagram of spinning frame 1. speed (1) spindle speed nm (r/min); Type: n - main motor speed (r/min); D1 - main motor pulley pitch diameter (mm), with 170180190200210 different kinds; D2 - spindle pulley diameter (mm), with a 180190200210220230240 number (2) spindle speed ns (r/min); Type: D3 - roll diameter (mm); D4 - wharve diameter (mm); Delta spindle thickness (mm) Roller speed NF (r/min) Type: ZA/ZB - twist change to the number of gear teeth, there are 38/82,45/75,52/68,60/60,68/52,75/45,82/38 kinds, Z+Z=120; ZC, ZD - twist change gear teeth, ZC have 87,85,80 three, ZD have 77,80,85 three 2. draft and draft change gears (1) mechanical drawing times Total draft multiple E: Type: ZM - drawing change gear teeth, there are two kinds of 69,51; ZN - drawing change gear teeth, there are two kinds of 28,46; ZK, ZJ - Total draft change gear teeth, with 39,43,48,53,59,66,73,81,83,84,85, 86,87,88,89 number of species The drafting ratio is E B: Type: ZH - after drafting, change the number of teeth of gear, 36,38,40,42,44,46,48,50 kinds 3. twist and twist change gears (1) calculate the twist Ttex (twist /10cm) Type: DF - diameter of front ro