Hardware mold maintenance, must be careful, patient, step-by-step, avoid by all means is blind.
Due to the fault with strip during repairing mold, so that the query of the problem.
Open the mould, to take care of belt, check the mold status, to confirm the cause of the problem, find out the problem, then mold cleaning, can disassemble module.
To force wants even, dismantle for unloading the spring between the fixed plate and stripper plate and spring discharge guide pin on the immediate roof, the mould structure, the removal of the stripper plate to ensure that the stripper plate balance pop-up, stripper plate tilt may lead to the mould punch rupture.
Intensive maintenance intensive remove should pay attention to mold the original condition, so that the follow-up mold when loading convenient recovery, padded or shift the good is to be made on the part of the thickness of the gasket and make records.
Replace the punch to try whether smooth discharge block, concave die, and try and die gap is uniform, replacing die also want to try and punch gap is uniform.
For grinding after the punch punch shorter the length of the need to add gasket to need to check whether the punch effective length is enough.
Change has broken punch to find out the reason, at the same time to check the corresponding die for collapse edge, whether to need to grind edge.
Inspection punch to punch and fixed block or whether enough clearance between the fixed plate, a press block activity to check whether the left margin.
Assemble die should be put in, then use flat iron surface such as concave die tapping it with the copper bar in place, must not strongly oblique type of chamfer at the bottom of the die.
Installed to check whether die surface and flat on die face.
Stripper plate to maintain the disassembly of the stripper plate can be pry up the screwdriver with two balance, and balance force with both hands.
In removing difficulty, should check whether the mold clean, lock screw removal, all should card stuff shadow has mold damage, find out the reason to do the corresponding processing, must not blindly disposal.
Set is loading plate punch and stripper plate to be removed, the guide pillar and lubricating punch into place, its smooth add, then pressed in place, with both hands and repeated several times.
If too tight should find out the reason, find out the reason to do the corresponding processing.
Fixed plate has a press block to check if the discharge back on steal material enough.
Contact area between the stripper plate and die materials, indentation time stamping, when indentation is serious, affect materials repression of accuracy, causing abnormal product size, instability and so on, to discharge panel board and stripper plate for repair or regrinding.
High contour sleeve should be checked for accuracy, it will cause the stripper plate tilt, its precision orientation, steady pressure function will be destroyed, shall be maintained.
Fitting clearance guide site inspection guide pin, guide sleeve, burns or wear trace, mold oriented to the state of oil is normal, should be checked.
Guide pieces of wear and precision of the damage, reduce the precision of the mould, the mould parts will appear problem, so must make appropriate maintenance and periodic replacement.
If a check to the precision of the guide materials and guide nail is wear and tear, have lost just strip guide is precision and function of must be replaced.
Die clearance adjustment mold core positioning hole for frequent mold core and combination of wear and tear for many times, causing big or uneven clearance after assembly clearance, all can cause after cutting cross section shape, punch break easily, produce burr, etc. , can be through the hedge cutting section status after inspection, make the appropriate clearance adjustment.
Clearance hours, less, the cross section gap is big, the cross section is more and larger burrs, to shift the way to obtain a reasonable interval, adjust good, should make appropriate records, can also be marked at the edge of the concave die, etc. , so that the follow-up work.
Daily production should be paid attention to collecting save the original mold better conditions of material, such as follow-up production is not smooth or mold variation, which can be taken as reference to the mold maintenance.
In addition, the auxiliary system such as the top pin for wear, whether can lifter, have guide pin and bushing wear, inspection and maintenance should be paid attention to have large technical team and well-trained, working time more than 20 years experience of 8 mold designers, mold manufacturing and maintenance master more than 50;
Design team have: first-class high-speed stamping die within manufacturing monthly development more than 20 sets of mould capacity, a set of hardware mold finish time is the fastest time for 14 days.
Can production mould automatic riveting pieces, automatic mould tapping parts, precision mould injection terminals, etc.
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