Travel limit switches (physical limits), Travel limit switches (physical limits) 60 – MTS Insight - 1kN to 300kN User Manual

Page 60

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Insight Material Testing System

Travel Limit Switches (Physical Limits)

Operation

60

Travel Limit Switches (Physical Limits)

The limit switches are located on the crosshead. They are normally closed
and are activated when the limit switch contacts the adjustable limit rod. The
adjustable limit rod can be positioned anywhere along the range of travel to
prevent the crosshead from traveling beyond that point.

Note

Always adjust the limits whenever you change grips or fixtures.

Adjustment of the limit switches are similar for both types of machine. The
limit switches are held in position by a locking screw. To set the limit switch,
unlock by turning the locking screw in an counterclockwise direction and
slide to the required new position. Before locking, allow for the limit switch
striker being in the middle of the crosshead for the single screw machine and
at the bottom of the crosshead for the twin screw machines. To lock limit
switch, rotate locking screw in a clockwise direction. To eliminate slippage
tighten locking screw securely.

1 - 2 kN

2 EL HS and
5 - 300 kN

Limit Switch
Adjustments

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