
Section 7 Troubleshooting
SG7 Manual
www.rottlermfg.com
7-2
Problem
Possible Cause
Solution
Eccentricity Problems
when Cutting Three Angle
Seats
Machine is not level
Level machine per instructions in
Installation section of this manual
Workhead is not floating
smoothly
Be sure that the work head and main
base are clean and floating smoothly
side by side and front to back
Spindle floated to improper
center location
Reposition workhead to ensure proper
alignment
Foot pedal released to quickly
On this model there’s a foot pedal that
controls the workhead float and this
switch has 3 positions: Float, Neutral
and Clamp. If the pedal is released to
fast, it can cause the spindle to shift or
move at the time of clamping. Release
foot pedal slowly when positioning
workhead
Improper setup procedure
The centering switch that is located on
the left side of the front panel needs
to be on the centering position at the
time of centering and machining the
vale seat. The Spherical pneumatic
switch needs to be on the OFF position
and the pilot into the valve guide until
reach the proper height or the cutting
insert is a few thousands from the
valve seat face. Let Workhead flow
for few seconds to achieve maximum
alignment over the pilot. Be sure
there’s no contact with the Workhead
to allow spindle to stabilize and Cutter
to center itself on the valve guide.
Release Foot Pedal.
Note: Spherical Pneumatic switch
should be on the OFF position all the
time that you are machining the valve
seat; this will give you a positive live
centering.
Toolholder cone dirty
The toolholder cone must be clean
before is attached to the spindle and
also be sure that the inner spindle
cone is clean
Excessive pressure when cutting
seat
Use less pressure when cutting the
seat
Incorrect spindle speed
Adjust spindle speed
Содержание SG7
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Страница 71: ...Section 8 Machine Parts SG7 Manual www rottlermfg com 8 4 Machine Parts Cabinet Table Riser Assembly...
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