How to deal with the surface of glass fiber reinforced plastic mould
Glass fiber reinforced plastic products depends on the finish of the glass steel, so the grade of glass fiber reinforced plastic products on the surface treatment of glass fiber reinforced plastic, glass steel mold is the mother of the product, more than once in the glass steel mold, in the future, the glass fiber reinforced plastic products can get better results.
1, water. New mold or the old mold refurbishment, first water sandpaper Shuimo, Shuimo when water sand paper to the high starting point, usually start from the No. 6, some users in order to improve the efficiency, from the beginning of the No. 4 and No. 400 more coarse water sandpaper, for a moment, after knowing the coarse sand paper caused by sand mark fine sandpaper no sand grinding is grinding away; No. 600 to 800 No., No. 10 and No. 1200, 1500 No. (or even 2000 No. step by step, a are province can not, but also to Seiko secret agents, willing to make great effort and spend a fine effort, shall not be the slightest bit of opportunistic.
2, polishing. First No. 1 (coarse) polishing agent (the United States imported Jinguan brand, ship license) the amount of surface coating on the die, Japan imported electric polishing machine polishing, polishing, wool wheel flat on the mold surface, start polishing machine for circular spiral running, throwing a piece of the past, do not drain cast, main workload in the rough polishing, so the general rough polishing at least twice to die smooth so far. Coarse polishing after, put on new wool plate, then No. 3 (fine) polishing agent fine cast (the United States imported Jinguan brand, ship card all), repeat the operation, the thickness of polishing agent is not the plate with a wool, it is best to use a polishing machine of all.
3, clean mode. Mold cleaning process is to die on the surface of the polishing agent or residual oil, etc.removed, then added to the hole sealing agent and demoulding agent (wax) can be firmly attached on the mold, mold cleaning water imported from the United States ship card 69 No. mold clean water, general cleaning for two times, the first ship card 69 No. mold clean water yarn cloth to wipe on the surface of the mould and then wipe dry and then coated with a layer of ship card 69 No. mold cleaning water, let it dry sufficiently volatile (about half an hour), and then a clean dry cloth to wipe to light.
4, sealing mode. For the requirements of glass steel products of medium finish, with No. 3 Polish polished can. But only after polishing the surface of the mold, there are still a lot of invisible micro hole, so for the requirements of high precision glass steel products, it is necessary to seal these micro holes, so that the precision of the glass and steel products on a level. Specific method is the ship card 86 No. hole sealing agent, with gauze evenly coated in the mold surface, and let the dry (about 30-60 minutes), and then a clean dry cloth to wipe the bright. If it is a new mold, to seal the hole four times, if it is a renovation of the old mold, sealing the two times can be.
5, mold release. According to the thickness of the glass fiber reinforced plastic products, different release agents are selected. Concrete coating stripping the wax is best to use gauze the amount of mold release wax wrapped up and pushed through the gauze evenly coated to the mold surface, so that both the uniform and savings, not in the wax mold release a large number of scattered, until dry (30 - 60 minutes), and then handbag clean gauze to wipe or polishing machine thrown to the bright shine on people. The new mold to 5 to 4 times the mold release wax, can use. After the first product release, after every time the release of the last stripping wax can be.