Common Dome needle to mold common common dome needle, thimble without mold factory making tpv, directly to the mold parts manufacturers or shops to buy. In the selection of the thimble, thimble standard should be adopted. Non-standard thimble generally custom tpu tpv, and the price is several times the standard thimble. Ordinary dome top when the thimble is curved needle to prevent rotation of the thimble, thimble need to set a fixed end positioning structure. Two common thimble to locate structures. Do thimble fixed end positioning structure when the top is curved thimble, in addition to the fixed end do need anti-rotation structure, the need at the top of thimble processing a plurality of grooves. The purpose is to prevent sliding products in the top of the process. Thimble with the length of the part I need to be equal, non-mating portion 0.5 avoid the need for space. For small thimble, such as diameter is 2.2,2,1 tpv 90a, with the portion of the length required to be equal. Secretary extinguishers ejector Division tube top choice out there with cylindrical featured in the article, and the cylinder is greater than the depth of the case 150,110. Cylindrical depth dimension greater tpv lg, the greater the required ejection force, the ejection process more difficult to mold. If the Division tube wall thickness can result in insufficient strength, so that the process in motion Division tube heat deformation. Secretary extinguishers and fixed a split pin Division tube, usually fixed to the ejector Division tube plate, the Division tube needle holder moving mold fixing plate. Figure 2-53 Division tube and needle Secretary extinguishers fixed between Secretary extinguishers, Division tube needle and the template should be a gap. Division tube needle movable mold mounting plate by headless screws. When Secretary of larger diameter tube or needle Secretary extinguishers higher accuracy, you can use the fixed pad mode. tpv 6145, LT tpv, Gary trade provided by the Shenzhen Municipal Trade Co., Gary. Gary Trade Co., Ltd. of Shenzhen City (www.pft-trading.com) strong, credible, Shenzhen in Guangdong's plastics industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Parfitt trade into the brilliant and you work for a better future!