3-5-3 JP, JPH, JPU-3004/5004, JPU-8004
The ram is equipped with a load cell, which senses the load through the edge of the
shank mounting hole. Attach the jig to the ram without applying hard shocks or
stress to the load cell.
z The Shape of Shank Mounting Part:
The following illustration shows the size of shank mounting part.
Fix the shank with a screw (size M5.)
Load Cell
If the ram mounting jig is larger than the ram, make it smaller so that it fits within the
dimension marked by an asterisk (*) in the above illustration.
z The Shape of Shank for Ram Mounting Jig:
Make the shank part of the jig with reference to the
illustration to right.
(Ram Diameter)
Hexagon Socket
Head Bolt (4 pcs.)
(Please don’t remove them.)
Shank
Mounting Hole
z Weight of Ram Mounting Jig:
If the ram is set up to ascend vertically and the jig is too heavy, it may cause the
ram to descend when the power supply is turned off. Also, the load cell may be
damaged since it tends to receive uneven stress.
Make the ram mounting jig as light as possible. The maximum weight of the jig
should be 3 % or less of the maximum load pertaining to each model.
When you use the ram moving horizontally, design the jig so that it does not apply
too much moment load to the shank.
The 4 hexagon bolts on the tip of the ram are for attaching the load cell. Do not
use these bolts to fix the jig, or it will tend to change the load. If the jig has to be
mounted in some other way than using the shank mounting hole, contact Janome
Sewing Machine Co., Ltd. (Industrial Automation Systems Division.)
Setup Electro Press JP Series 4 30
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