1 edge wear and burr
measurement
Field habits determined by hand stamping burr size and determine the sharpening timing, the error is too large. Of course, the degree of edge wear and edge blunt only by detecting stamping burr height and thickness, burr distribution uniformity of size, shape and position accuracy and blanking plane quality stamping, the master edge wear, edge change blunt, identify the timing of sharpening.
General stamping burr height micrometer available. To improve measurement accuracy, each measured three last consecutive punching punch and die member, and each mold accessories is measured at least 3 to 5 points, averaged. For complex shape and thin materials and small size, precision stamping, available tools, microscopes, the optical projector precision measurement.
2 metal stamping size and shape and position accuracy measurements
After repeated sharpening, the die size will change. In particular, the majority of> 3 to 6 mm material thickness of plate and slab material blanking part blanking die, smooth consideration by the die hole punch to shirk the workpiece or waste, on the small conical recess mold hole, to prevent workpiece or scrap gathered and plug in the die. The die edge the wall pour out material, after grinding the upper surface of the horizontal size will inevitably produce an increment. Excessive gain in order to avoid repeated sharpening its size exceeds the allowable value, leaving out of the stamping size unqualified.Therefore, before sharpening should refer to the values given are calculated and measured stamping after grinding size, to stamping size qualified so far.
Inaccurate positioning device or gauge pin wear, rotating, feeding into the distance deviation increase. For continuous blanking part, often be caused by stamping inside and outside round concentricity error is too large, dividing the incision problems such as uneven cloth, it is in the repair test mode requires special attention.
Measurement tryout stamping presses the normal operation for some time, punching a certain number of stamping. Measurement of hedge pieces should first observe the red section quality to determine the uniformity of the gap. Then detect the burr height and uniformity of last crossed detected size and shape and position accuracy.
3 clearance measurement
Accurate determination of the new system and overhaul or repair to all kinds of die clearance inspection and molding, one of the primary means of repair mode quality, die fitter and punching to adjust the basic skills of the workers.
Plasticine indentation and fill the mold cavity is in a case where there is no practical and accurate clearance measurement instrument, more economical, accurate and reliable clearance measuring method. With a uniform thickness that is greater than twice the stamping material thickness does not exceed 5 mm plasticine, relying on manual clamping gently closed state to meet the design and then gently mold to remove the plasticine, observation and measurement to stay in plasticine on the upper and lower mold indentation, you can get the exact gap value. For blanking die, indentation on the mold can be controlled just pressed into the plasticine 0.8 to 1.5mm position; forming die majority should be embossed in the clamping state. However, stretching, flanging and the like of the mold, but also due to the simultaneous detection of the mouth portion of the fillet radius of the die size and uniformity, so when the platen punch into the die 2 to 3 times the material thickness of the punch member is appropriate.
4 die installation and commissioning of
Installation and adjust the die must be particularly careful. Because die especially large and medium-sized die, not only very expensive, but also the weight trace difficult to move, personal safety should always be the first place. Unlimited digital device, die, in particular, nor die guide mechanism between the upper and lower mold should be added to a mat board. Clean up in the press table to be tested mold clamping state placed in the appropriate position of the press countertops. Selected ram stroke press process documents and die design requirements in the mold onto the table before the raised bottom dead center position and raised to 10 ~ 15mm larger than the mold is closed, by adjusting the slider rod, mobile mold, to ensure that the handle is aligned with the handle hole and appropriate die height. General blanking die first fixed lower mold (do not tighten) and then fixed on the mode (tightening), platen T-bolts are advised to use the appropriate torque wrench to tighten (mold) to ensure that the same bolts with consistent and ideal pre-clamping force. Manual winding the tight thread appears due to physical, gender, texture error caused by the preload is too large or too small, can be effectively prevented the same thread PRELOAD ranging, causing lateral displacement of the upper and lower molds, the gap change the stamping process, the nibbles stripping blade mouth, such as failure occurs. Tryout before the mold to conduct a comprehensive lubrication and normal production of the materials used in air travel to start the die 3-5 recognition mold functioning properly and try red. Adjust and control the punch into the die depth, check and verify the die-oriented, feeding, shirk, lateral pressure and suppress institutions and device performance and operational flexibility, and then appropriately adjusted so as to achieve the best technical condition. Small, medium and large die trial red 3,5,10 discontinued beginning of the seizure, red 10, 15, 30, qualified try for re-examination. Crossed detection, red cut surface and burr inspection ORCHID Dimensions are in line with the shape and position accuracy requirements before delivery of production.
5 standard prefabricated parts and reserves
For die standard components should focus on prefabricated and leave some reserves for selection at any time in the process of manufacturing and repair die. In particular, the main working parts, including: a variety of round punch side of the blade, scrap cutter, and a variety of templates, die handle, mold, lateral pressure device before backgauge device ...... should full range of specifications reserve 3 to 5 sets or more, commonly used sizes, should be more reserve.
Field habits determined by hand stamping burr size and determine the sharpening timing, the error is too large. Of course, the degree of edge wear and edge blunt only by detecting stamping burr height and thickness, burr distribution uniformity of size, shape and position accuracy and blanking plane quality stamping, the master edge wear, edge change blunt, identify the timing of sharpening.
General stamping burr height micrometer available. To improve measurement accuracy, each measured three last consecutive punching punch and die member, and each mold accessories is measured at least 3 to 5 points, averaged. For complex shape and thin materials and small size, precision stamping, available tools, microscopes, the optical projector precision measurement.
2 metal stamping size and shape and position accuracy measurements
After repeated sharpening, the die size will change. In particular, the majority of> 3 to 6 mm material thickness of plate and slab material blanking part blanking die, smooth consideration by the die hole punch to shirk the workpiece or waste, on the small conical recess mold hole, to prevent workpiece or scrap gathered and plug in the die. The die edge the wall pour out material, after grinding the upper surface of the horizontal size will inevitably produce an increment. Excessive gain in order to avoid repeated sharpening its size exceeds the allowable value, leaving out of the stamping size unqualified.Therefore, before sharpening should refer to the values given are calculated and measured stamping after grinding size, to stamping size qualified so far.
Inaccurate positioning device or gauge pin wear, rotating, feeding into the distance deviation increase. For continuous blanking part, often be caused by stamping inside and outside round concentricity error is too large, dividing the incision problems such as uneven cloth, it is in the repair test mode requires special attention.
Measurement tryout stamping presses the normal operation for some time, punching a certain number of stamping. Measurement of hedge pieces should first observe the red section quality to determine the uniformity of the gap. Then detect the burr height and uniformity of last crossed detected size and shape and position accuracy.
3 clearance measurement
Accurate determination of the new system and overhaul or repair to all kinds of die clearance inspection and molding, one of the primary means of repair mode quality, die fitter and punching to adjust the basic skills of the workers.
Plasticine indentation and fill the mold cavity is in a case where there is no practical and accurate clearance measurement instrument, more economical, accurate and reliable clearance measuring method. With a uniform thickness that is greater than twice the stamping material thickness does not exceed 5 mm plasticine, relying on manual clamping gently closed state to meet the design and then gently mold to remove the plasticine, observation and measurement to stay in plasticine on the upper and lower mold indentation, you can get the exact gap value. For blanking die, indentation on the mold can be controlled just pressed into the plasticine 0.8 to 1.5mm position; forming die majority should be embossed in the clamping state. However, stretching, flanging and the like of the mold, but also due to the simultaneous detection of the mouth portion of the fillet radius of the die size and uniformity, so when the platen punch into the die 2 to 3 times the material thickness of the punch member is appropriate.
4 die installation and commissioning of
Installation and adjust the die must be particularly careful. Because die especially large and medium-sized die, not only very expensive, but also the weight trace difficult to move, personal safety should always be the first place. Unlimited digital device, die, in particular, nor die guide mechanism between the upper and lower mold should be added to a mat board. Clean up in the press table to be tested mold clamping state placed in the appropriate position of the press countertops. Selected ram stroke press process documents and die design requirements in the mold onto the table before the raised bottom dead center position and raised to 10 ~ 15mm larger than the mold is closed, by adjusting the slider rod, mobile mold, to ensure that the handle is aligned with the handle hole and appropriate die height. General blanking die first fixed lower mold (do not tighten) and then fixed on the mode (tightening), platen T-bolts are advised to use the appropriate torque wrench to tighten (mold) to ensure that the same bolts with consistent and ideal pre-clamping force. Manual winding the tight thread appears due to physical, gender, texture error caused by the preload is too large or too small, can be effectively prevented the same thread PRELOAD ranging, causing lateral displacement of the upper and lower molds, the gap change the stamping process, the nibbles stripping blade mouth, such as failure occurs. Tryout before the mold to conduct a comprehensive lubrication and normal production of the materials used in air travel to start the die 3-5 recognition mold functioning properly and try red. Adjust and control the punch into the die depth, check and verify the die-oriented, feeding, shirk, lateral pressure and suppress institutions and device performance and operational flexibility, and then appropriately adjusted so as to achieve the best technical condition. Small, medium and large die trial red 3,5,10 discontinued beginning of the seizure, red 10, 15, 30, qualified try for re-examination. Crossed detection, red cut surface and burr inspection ORCHID Dimensions are in line with the shape and position accuracy requirements before delivery of production.
5 standard prefabricated parts and reserves
For die standard components should focus on prefabricated and leave some reserves for selection at any time in the process of manufacturing and repair die. In particular, the main working parts, including: a variety of round punch side of the blade, scrap cutter, and a variety of templates, die handle, mold, lateral pressure device before backgauge device ...... should full range of specifications reserve 3 to 5 sets or more, commonly used sizes, should be more reserve.
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