THK LM Guide Instruction Manual page 11

4.
Assembly
(3) Secure the set screws for the LM rail in order with a
tightening force strong enough to have the rail closely
contact the side mounting surface. (Figure 4-5)
(4) Tighten the mounting bolts at the designated
torque using a torque wrench. (See Figure 4-6,
Table 4-1, and Table 4-2.)
Note: To achieve stable accuracy when tightening the LM rail mounting bolts, tighten them in the correct
(5) Mount the other rail in the same manner to
complete the mounting of the LM rails.
(6) Hammer in caps into the bolt holes on the top face
of each LM rail until the top of the cap is on the
same level as the top face of the rail.
Mounting the LM Blocks
(1) Gently place the table on the LM blocks and
temporarily fasten the mounting bolts.
(2) Press the master side LM blocks against the side
reference surface of the table using set screws to
position the table. (Figure 4-1)
(3) Fully fasten the mounting bolts on the master side
a n d t h e s u b s i d i a r y s i d e t o c o m p l e t e t h e
installation.
Note: To evenly secure the table, tighten the mounting
This method saves time in establishing the straightness of the LM rail and eliminates the need to
machine secure dowel pins, thus drastically shortening the time required for installation.
order, from the center to the rail ends.
bolts sequentially in diagonal order as shown in
Figure 4-7.
Figure 4-5 Tightening the Set Screws
Figure 4-6 Fully Fastening the
Figure 4-7 Sequence of Tightening
4-2
4. Assembly
Mounting Bolts
6 4
1
3
5 2
the LM Blocks
LM Guide