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Jiangmen Jinhe Hardware Products Co., Ltd., founded in 2016, is located in Jiangmen, the beautiful capital of overseas Chinese in the west of the Pearl River Delta in Guangdong, with a total production and office area of about 4000 square meters. It is a company integrating production management, warehousing, and sales. , A modern enterprise integrating services.

The importance of hardware in doors and windows

Window stays, hinges, handles, buttons and other hardware in doors and windows are probably ignored by many people, but the quality of the hardware will completely affect the normal use of doors and windows. How do they affect it?

2020-12-29

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Hardware common sense: screw strength torsion test

Screw strength test: 1. Turning force test: The twisting force of a product shows its ability to resist being twisted in half. Various standards have minimum requirements for the torsion force of self-tapping screws. In this test, the screw is clamped in a chuck with a tapped middle part on the torsion test tool, and then a torque wrench is used to apply force until the screw is twisted. If the torque does not exceed the minimum requirement, the product is unqualified. Unqualified indicates that the screw is too soft or the thread diameter is too small. 2. Locking test: This test is to lock the screw to a test board, this board has the specified hardness, thickness and aperture. If the screw is locked through the test board, but the thread is deformed, the product is not qualified. Unqualified indicates that the surface hardening treatment of the screw is too shallow or too soft. 3. Locking torque test: This test is only required for the screw rolled by the screw. When the lock test is performed, the minimum lock torque of the test board is observed. If the torque exceeds the specified standard value (the standard value is based on the size of the screw and the surface treatment), the product is not qualified. Unqualified shows that the surface of the screw does not have enough lubricity, or the thread is formed improperly and requires more torque.

2020-12-29

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How does the hardware industry remain invincible in the industry?

The hardware industry is an important part of my country's light industry and a sunrise industry closely related to people's lives. More than 99% of the enterprises in the industry are private small and medium-sized enterprises, mainly distributed in Guangdong, Zh

2020-12-29

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