Description

钢盾12件套两用扳手组合
扳手是一种常用的安装与拆卸工具。利用杠杆原理拧转螺栓、螺钉、螺母和其他螺纹紧持螺栓或螺母的开口或套孔固件的手工工具。扳手通常在柄部的一端或两端制有夹柄部施加外力柄部施加外力,就能拧转螺栓或螺母持螺栓或螺母的开口或套孔。使用时沿螺纹旋转方向在柄部施加外力,就能拧转螺栓或螺母。
扳手通常用碳素结构钢或合金结构钢制造。
两用扳手的用途:大型工业用两用扳手适用于石油、化工、冶金、发电、炼油、造船、石化等行业。是设备安装、装置及设备检修、维修工作中的必需工具。两用扳手分为公制和英制两种。
两用扳手的材料:两用扳手采用45号中碳钢或40Cr合金钢整体锻造加工制作。
两用扳手的制造标准:GB/T4392-1995(敲击呆扳手和敲击梅花扳手)。
两用扳手的特点:两用扳手由优质中碳钢或优质合金钢整体锻造而成,具有设计合理、结构稳定、材质密度高、抗打击能力强,不折、不断、不弯曲,产品尺寸精度高、经久耐用等特点。
两用扳手:一端与单头呆扳手相同,另一端与梅花扳手相同,两端拧转相同规格的螺栓或螺母.防爆两用扳手,采用铍青铜、铝青铜合金材料适用范围:可广泛应用于石油、石化、油站、油库、采气、化工、军工、电力、矿山、电子、铁路、等潜在火患和爆炸的危险环境中,也是机械制造和机械维修必不可少的专用工具.防爆两用扳手经过加工处理后的铍青铜产品的抗拉强度可以达到35度以上,并且这种材质的产品能防磁,所以这种产品又是既防爆又防磁的产品,特别适合于在要求更高的工作场所使用.铝青铜的防爆两用扳手的抗拉强度能达到25度以上.防爆两用扳手是常用的扳手,在机加工车间加工完毕后,会进行一系列的检验。外观质量检验:扳手表面不应有裂缝、毛刺及明显的夹缝、切痕、氧化皮等缺陷,柄部应平直。尺寸检验:扳手的外形尺寸应符合GB4388和GB4389两标准的有关规定。扳手的开口和扳手孔的公差应符合GB4390标准的规定。

Steel Shield 12-piece combination wrench combination
A wrench is a common mounting and removal tool. Use the principle of leverage to twist bolts, screws, nuts, and other hand tools that hold the opening or socket firmware of the bolt or nut. The wrench usually has an external force applied to the one end or both ends of the handle to apply an external force to the external force of the handle, so that the bolt or nut can be screwed to the opening or sleeve hole of the bolt or nut. When using, apply an external force to the shank in the direction of thread rotation to twist the bolt or nut.
Wrenches are usually made of carbon structural steel or alloy structural steel.
The purpose of the combination wrench: large-scale industrial dual-purpose wrench is suitable for petroleum, chemical, metallurgy, power generation, oil refining, shipbuilding, petrochemical and other industries. It is an essential tool in equipment installation, installation and equipment maintenance and repair work. The combination wrench is divided into two types: metric and imperial.
The material of the combination wrench: the combination wrench is made by integral forging of 45 medium carbon steel or 40Cr alloy steel.
Manufacturing standard for combination wrench: GB/T4392-1995 (tap wrench and tap wrench).
The characteristics of the combination wrench: The combination wrench is forged from high-quality medium carbon steel or high-quality alloy steel. It has reasonable design, stable structure, high material density, strong anti-strike ability, no folding, continuous, no bending, product dimensional accuracy. High and durable.
Combination wrench: One end is the same as single-head wrench, the other end is the same as the wrench, and the bolts or nuts of the same specification are screwed at both ends. Explosion-proof combination wrench, using beryllium bronze and aluminum bronze alloy. Scope of application: Widely used Petroleum, petrochemical, petrol stations, oil depots, gas production, chemical industry, military, electric power, mining, electronics, railways, and other dangerous environments and explosions are also essential tools for machinery manufacturing and mechanical maintenance. Explosion-proof two The tensile strength of the beryllium bronze product processed by the wrench can reach 35 degrees or more, and the product of this material can be anti-magnetic, so the product is both explosion-proof and anti-magnetic, especially suitable for higher requirements. The use of aluminum bronze explosion-proof combination wrench can reach more than 25 degrees in the workplace. Explosion-proof combination wrench is a commonly used wrench. After processing in the machine shop, a series of tests will be carried out. Appearance quality inspection: There should be no cracks, burrs and obvious cracks, cuts, scales and other defects on the surface of the wrench. The handle should be straight. Dimensional inspection: The external dimensions of the wrench should meet the relevant requirements of GB4388 and GB4389. The tolerance of the opening of the wrench and the hole of the wrench shall comply with the provisions of the GB4390 standard.

 

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