Instron 1000KPX-J3D, Руководство по эксплуатации

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Chapter 3: Operation
38 M47-17035-EN
• If the crosshead is positioned with the crosshead lift cylinders fully retracted and a tension load
is applied, the crosshead will not be able to absorb the shock generated by a specimen break.
This will cause the shock to be transferred to other components of the frame and may cause
damage to the frame.
Equipment required
•
A suitable stable platform such as a man-lift, stairs, or ladder. The platform must be of sufficient
height so that the operator can reach the crosshead.
•
For 600KPX, 1000KPX and 1500KPX, a 4 mm hex key (supplied)
•
A hex-bit socket, for use with torque wrench and ratchet wrench, refer to Table 11 on page 34 for
size needed (supplied)
•
A torque wrench (supplied)
•
A square-drive ratchet wrench, for use with hex-bit socket, refer to Table 11 on page 34 for size of
drive needed
Recommended procedure - 600KPX, 1000KPX and 1500KPX frames
Caution
Be sure to remember and obey the following:
• Never unclamp an unsupported crosshead.
• Secure the crosshead before you loosen the setscrews and remove the retaining rings.
• Always reinstall the retaining rings as directed in this procedure.
• Always close the
RAISE
and
LOWER
controls following an adjustment. Note that the open
position for these valves is indicated by the arrow direction on the knobs.
• Do not exceed 178 mm/min (7 in/min) when lowering the crosshead.
• Crosshead support collars must be installed properly after any crosshead adjustment.
• Do not use crosshead lift cylinders for any purpose other than positioning the crosshead.
• Only persons trained and familiar with this procedure should attempt to operate the crosshead
positioning controls.
1. Determine if it will be necessary to change the travel range of the crosshead to attain the desired test
opening. If it is not necessary to change the travel range, continue with step 2 . If it is necessary to
change the travel range, perform one of the following procedures depending on the desired travel
range:
a. To move the crosshead to the high travel range:
All equipment must be supplied by the customer unless noted as “supplied”. For a list of equipment that
was supplied with the system, refer to
“Ancillary parts” on page 64 .