Bolt
Nut
Stud
Big six angle head bolt
Screw
Double headed bolt
Wind power bolt
Pin
Nuclear power
Expansion bolt
Jiangsu qianfeng Fasteners CO.,LTD
ADD:66,xinning road,jiang an economic developmentarea,rugao nantong,jiangsu,china
Tel :0513-87956999  8795768
Fax:0513- 87957089
Mobile:13901429661(qiangkun,he)
E-mail:postmaster@jsqianfeng.com
               maomao@jsqianfeng.com
Http://www.jsqianfeng.com



Home- News

The drawing pin should note

Update: 2011-2-15
Making a screw of screws and pins should pay attention to the following points: 1. The size of each part must draw the correct screw. Approximate drawing screw is: if the thread diameter is D, then the head of the screw diameter painted 1.5D, within the six corners of the head of the screw countersunk head depth should be D+1 ~ 3mm; pins and screws combined with pin diameter, screw diameter should be selected and the same or smaller (screw, as the selection of M8 pin should be selected with 8 or 6). Draw screw connection should pay attention not to drain line. The screw is only connected to die the tail of the 26 thread and screw after punch fixed plate 13, plate 14 and an upper die seat 16 through holes shall be. The drawing pin connecting should also pay attention to do not drain lines. In the hole after the Tumo pin fixed plate 13 and 16 parts with pin upper mold seat positioning plate, and 14 without the need to locate the 15 pin, so that it should be a hole. The mold assembly drawing is finished, the closed height, to review mold material leakage hole diameter, shank diameter and height, rod height, dimensions and press mold base between the related technical parameters are correct. Fastener enterprises should not only consider the simple production processes, but also in design and development, brand building, marketing strategy, advertising and marketing and other aspects of extensive efforts, change the "buried pull the car, never look up the road act done by, for a comprehensive update of enterprise behavior mode and value concept, efforts to achieve social and the market in the implementation of enterprises management behavior in identity. He said: "if the fastener enterprises to seek development in power, not to achieve a breakthrough in the reform, from the survival and development of enterprises so that enterprises mode, the rapid shift effect will be brought by a new round of market factors and enhance the exhausted. Then, the enterprise may still be threatened by growing crises." The correct choice of product before use to confirm whether the mechanical properties of the product can meet the use requirements, such as the tensile strength of the screw and the nut to ensure the load. To choose the appropriate length of the screws to tighten a nut? 1-2 pitch prevail. Note the use of the method of a, the speed of the power to spin into the appropriate? Not too fast too large, as far as possible the use of torque wrench or socket wrench to avoid the use of adjustable wrench or electric wrench. Speed too fast can cause the temperature to rise sharply and cause the lock to die.
All copyright reserved Jiangsu Qianfeng Fastener CO.,LTD ADD:66,xinning road,jiang an economic developmentarea,rugao nantong,jiangsu,china
Tel :0513-87956999 8795768
Fax:0513-87957089 Mobile:13901429661(qiangkun,he)