In consideration of the characteristic of brass precise shape-wire used for glasses hinge, the manufacturing process of extrusion and drawing has been studied.
针对眼镜等行业用黄铜精密异型材特点，对其生产工艺挤压—拉拔法进行了研究。
2
Continuous piano-hinge shall be attached to door and stile by theft-resistant, pin-in-head Torx stainless steel machine screws into factory installed, threaded brass inserts.
连续钢琴合叶应该采用防盗钉入式梅花不锈钢机制螺丝加固在门和隔断板框上工厂预装的螺纹黄铜嵌入件上。
3
This model of hydraulic hinge is with the sealed design. it has passed strict 50,000 open-close test and 48hours salt spray test. it has been brass plated in order to avoid to go rusting.