ROHM KZZT / KZZT-A - Power operated pulling collet chucks - Handbuch (Seite 11)

6. Trouble shooting
Fault: Potential reasons: Remedy:
Mismatch on Radial deviation Check the concentricity
the work piece on the clamping cone
Dimensional imperfection Soiling Clean
Faulty opening lift Verschmutzung Clean
Low tensioning force work piece dim. smaller than specif. Fit the correct clamping
Low hydraulic pressure jaw
Impressions on the clamping Dimens. diff. clamping jaw/work piece Fit the correct clamping jaw
surface Corrugated clamping jaw Fit a smooth clamping jaw
4.2 Installing in the chuck
-- Carefully clean the clamping cone and the TOP GRIP
clamping jaws as well as the body 1.
-- Push the TOP GRIP clamping jaws with the boreholes
provided completely on to the bolts of the open chan-
ging device.
-- Actuate the changing device, which causes the TOP
GRIP clamping jaws to be pressed together.
-- Insert the TOP GRIP clamping jaws situated on the
bolts of the tensioned changing device in such a way
that the screw 4 comes to rest in one of the grooves in
the cone area of the TOP GRIP clamping jaws.
-- Use the changing device to lightly press the TOP
GRIP clamping jaws against the cone of body 1.
-- Open the changing device and remove it from the
TOP GRIP clamping jaws now located in the chuck.
Pneumatic changing fixture
5. Work piece stop (only KZZT-A)
5.1 -- Screw the work piece stop into the D5 thread tight.
-- Thus a plane--parallel attachment of the stop to the
intermediate flange is ensured.