Feed Mechanism - Brother LH4-B800E Service Manual

1-5. Feed mechanism

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1. A timing belt r is attached to pulley A w that is secured to the pulse motor q and to pulley B e, and this timing
belt r transmits the motion from the pulse motor q.
2. The feed arm support t is secured to the timing belt r. The feed arm support t moves back and forth while
being guided by feed guide shaft A y and feed guide shaft B u.
3. The feed arm i is connected to the feed arm support t, and it moves the work clamp o that is installed to the
feed arm i and the length feed plate !0 that is installed to the feed arm support t back and forth.
w
q
LH4-B800E
1. MECHANISM DESCRIPTION
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