press shut height gauge doc no: ats-638007900 release date: 09-03-09 uncontrolled copy page 1 of 4 revision: d revision date: 04-20-11 cap dial bottom plate figure 1 sh-600 press shut height gauge application tooling specification sheet order no. 63800-7900 features ensures standard press shut height to allow interch anging of applicators may be used in most industry-standard crimp presses designed to 135.8mm shut height applies 850kgf (1870 lbf) load to press during meas urement measurement range: 135.8mm 0.2mm (5.346 in. 0.00 8 in.) scope the press shut height gauge will measure the shut h eight of the following molex presses: tm-2000 (63800-8300 and 63800-8400) tm-3000 (63801-7200 and 63801-7300) tm-4000 (63801-7600) other industry-standard presses (with quick-change mini-applicator mounting and 135.8mm shut height) can also be measu red with this gauge. spacers are not furnished for other shut hei ghts. description the principal parts of the press shut height gauge are shown in figure 1. operation to measure the press shut height, use the following procedure: 1. disconnect electrical power from the press. 2. remove the crimp applicator from the press. 3. wipe the applicator mounting surfaces (upper and lo wer) in the press clean. 4. hand-cycle the press ram to its highest position (t dc). 5. place the shut height gauge in the press with the c ap centered under the ram and the bottom plate rest ing flat on the press base plate. see figure 2. note: some presses may require some mounting hardwa re to be loosened or removed from the base plate so the shut height gauge can rest flat.
press shut height gauge doc no: ats-638007900 release date: 09-03-09 uncontrolled copy page 2 of 4 revision: d revision date: 04-20-11 shut height is more than 135.8mm shut height is less than 135.8mm figure 3 in this case, press shut height = 135.8 + (11 x 0.01) = 135.91mm cap press ram press base plate figure 2 (press guards not shown) 6. hand cycle the press ram down. as it approaches it lowest point (bdc), the ram will touch the cap and press it down , causing the pointer on the dial indicator to turn clockwise. warning: never cycle the press ram under power when measuring shut height. note: flywheel-driven presses should be hand-cycled using a socket wrench with a breaker bar. as the ram appro aches bdc, continue to turn the flywheel while reading the gau ge. if the flywheel stops turning near bdc, the upward force of the shu t height gauge may cause the press to become locked. note: the shut height on some presses may be easier to me asure if two operators are used (one to hand-cycle the pr ess, one to read the dial indicator) 7. when the pointer stops turning clockwise, the press ram is at shut height (bdc). if the pointer stops at 0, then th e press shut height is exactly 135.8mm (5.346 in). if the pointer stops aw ay from 0 in a clockwise direction, then the pres s shut height is less than 135.8mm. similarly, if the pointer stops away from 0 in a counterclockwise direction, then the press shut height is more than 135.8mm. see figure 3. 8. to read the shut height difference from 0, each l ine on the face of the dial indicator represents 0. 01mm (0.0004 in) of travel. see figure 3. 9. hand-cycle the press ram back to its highest positi on (tdc). 10. if necessary, adjust the press shut height per the manufacturers procedure. after adjustment, re-meas ure the press shut height.
press shut height gauge doc no: ats-638007900 release date: 09-03-09 uncontrolled copy page 3 of 4 revision: d revision date: 04-20-11 shut height considerations 1. if the press shut height was never adjusted, or if it was adjusted with a gauge that exerted less than 850kg, then adjusting the shut height with the molex shut height gauge may necessitate applicator adjustments : a. when installing any applicator after adjusting pres s shut height, always adjust the crimp punches up in case the shut height adjustment caused additi onal travel of the press ram. b. when installing any applicator after adjusting pres s shut height, always hand-cycle the press through a full cycle. if any resistance is felt, st op and examine the cause. c. if the applicator hand-cycles freely after adjustin g shut height, proceed with resetting the crimp punches to achieve the proper crimp heights. 2. in order to interchange applicators between various presses, all presses must have their shut heights adjusted using the same shut height gauge. maintenance and adjustments keep the shut height gauge in a clean, dry place no lubrication or adjustments are required for the shut height gauge do not disassemble the shut height gauge do not drop the shut height gauge. if it is dropped , it should be sent to molex for recalibration. calibration the shut height gauge should be calibrated on a reg ular basis depending on use and the sites calibrat ion schedule. calibration of the height and force can be performe d by returning the gauge to molex (nominal repair c harge applies). contact information for more information on molex application tooling p lease contact your nearest molex location shown bel ow. http://www.molex.com
press shut height gauge doc no: ats-638007900 release date: 09-03-09 uncontrolled copy page 4 of 4 revision: d revision date: 04-20-11 certificate of gauge calibration/re-calibration gauge description: press shut height gauge molex part number: 63800-7900 serial number: __________________ gauge characteristics (as received from customer) ________________indicator reading (mm) at 135.80mm ________________gauge output force (kgf) at 135.80m m gauge characteristics (as verified and shipped from molex) _________________indicator reading (mm) at 135.80mm _________________gauge output force (kgf) at 135.80 mm *gauge calibration date: ________________________________ calibration performed by: ______________________________ * recommended calibration schedule: at least once p er year from start of gauge use at customer. if gauge is used frequently, calibrati on schedule should be adjusted accordingly.
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