The development of the sand and gravel industry is mainly based on the current strong domestic market demand and the efforts of many manufacturing companies in the industry. As the country's investment in infrastructure projects increases, the demand for sandstone in the construction of affordable housing, railways and highways will continue to increase in the future. This requires sand and gravel manufacturing enterprises to select efficient and intelligent crushing and screening equipment to produce quality. High-quality sand and gravel raw materials to meet market demand and ensure the smooth progress of infrastructure construction.
From the current market of various sandstone manufacturing equipment, the demand for impact crusher and sand making machine with multiple functions is increasing, especially the high-quality performance of the new intelligent crusher equipment for the majority of users. It is praised and can meet the different needs of customers. Luoyang Dahua Heavy Machinery insists on increasing investment in product research and development, and strives to develop new types of crushing and screening equipment for building materials such as sand and gravel. New type of powerful vortex counter crusher and sand making machine are new types of sand. Stone manufacturing equipment, Luoyang Dahua Heavy Machinery welcomes the majority of sand making enterprises to come to our company to purchase all kinds of crushing equipment.
Set screw is also called head screw and positioning screw. The utility model is a screw specially used for fixing the relative position of machine parts. Type: square flange end set Bolt, GB / t821-1988 square chamfered end set screw, GB / t85-1988 square long cylindrical end set screw, inner square head set screw, etc.
Related categories
Hexagon socket set screw, hexagon flat set screw, hexagon cylindrical set screw.
The selection of common set Screws is generally used to fix the relative position of two parts with little force. The axial and circumferential positioning of common sleeve like parts on the shaft. There are many kinds of set screws. The common ones are as follows: according to the end part, there are conical end, flat end, concave end, oblong cylinder head, etc;
According to the head part: slotted, hexagon socket, square head, etc. Tapered end screws and concave end screws with sharp ends can be used to directly top the parts, and the concave end is more reliable and can bear greater force; Taper end screws without sharp points must be drilled in the parts. The flat end is used to top the tight plane, which does not damage the parts, but bears limited load.
Slotted screws have small tightening force and are often easy to screw off. Generally, they prefer hexagon socket head; The tightening force of square head is the largest, but it can not be embedded in parts, and its use is limited. In order to prevent loosening and withdrawal of threaded parts, a set screw can be drilled at the cross seam. The long cylindrical head screw at the top end is used in the keyway of the shaft to lock and prevent circumferential rotation. It can also be used in general unimportant occasions when the key slides in the keyway of the shaft.
Set Screws,Allen Nose Set Screw,Slotted Head Set Screw,Hexagon Socket Grub Screw
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