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Okuma Alarm-A 1752 Tow-along tailstock clamp/unclamp error


Okuma Alarm-A 1752 Tow-along tailstock clamp/unclamp error
Neither connection ON nor connection OFF signal is output for more than 6[s].
Both connection ON and connection OFF signals are output for more than 6[s].
The connection ON signal is output at other than stroke end of X-axis or tailstock spindle retraction end.

Code
None->Neither connection ON nor connection OFF signal is output for more than 6[s]. Or,X/Z-axis movement command is issued in above condition.
3->Both connection ON and connection OFF signals are output for more than 6[s].
4->Connection ON signal is output at other than stroke end of X-axis.
5->Connection ON signal is output at other than tailstock spindle retraction end.
6->Tailstock clamp confirmation input turned more than 1[s] it off at the time of AUTO OPERATION or MDI OPERATION mode selection in the simple tow-along tailstock specification which has tailstock automatic clamp/unclamp mechanism.
7->The tailstock was clamped when the W axis was moving.
8->The connection ON signal was output with the workpiece pusher not at the retract end.
9->The tailstock was not unclamped after the Tow-along tailstock unclamp command was retried.
10->The tailstock was not clamped after the tailstock clamp/unclamp timer was time up.
11->Tailstock clamp/unclamp condition is not settled for more than 6[s].
12->The condition at other than stroke end of X-axis and tailstock unclamp is continued for 6[s].

Or, W-axis movement command is issued in above condition.

13->The condition of tailstock retract and unclamp is continued for 6[s].

Or, W-axis movement command is issued in avobe condition.

Probable Faulty Locations

Code
None->Defective or improperly adjusted connection ON/OFF confirmation LS’s

Code
3->Defective or improperly adjusted connection ON/OFF confirmation LS’s

Code
4->X-axis is not at the travel limit position.

Code
5->Either the tailstock spindle is not retracted, or the retraction end LS is not actuated.

Code
6->Tailstock does not clamp.

Measures to Take

Code
None->Check or adjust the position of the connection ON/OFF confirmation LS’s.

Code
3->Check or adjust the position of the connection ON/OFF confirmation LS’s.

Code
4->Move X-axis up to the travel limit position.

Code
5->Retract the tailstock spindle; check the retraction end LS.

Code
6->It clamp tailstock by MANUAL OPERATION mode.

Related Specifications
Programmable tailstock

Okuma Alarm-A 1752 Tow-along tailstock clamp/unclamp error