What kind of aluminum alloy frame is needed for a water jet loom

A warp frame is a framework made of upper and lower crossbeams and left and right side stops, with warp rods and driving hooks. Due to its up and down movement according to the needs of fabric organization, it drives the warp threads and warp threads mounted on it to move up and down, forming a shuttle opening for weft threads to complete weft insertion and weave into a certain fabric structure. The speed of the water jet loom is very high, and the speed of the frame movement is very fast, with a large impact force, so the requirements for the durability of the frame are particularly high.

The integrated frame is mainly composed of crossbeams, side guards, and integrated rods. The crossbeam mainly bears the bending force caused by the up and down movement of the weaving machine frame. Its material is very important. In the past, wooden and iron materials were commonly used, but now lightweight, high-strength, and easy to form aluminum alloys are commonly used. This material has undergone artificial aging, surface anodizing, or electrophoretic coating. The side gear is mainly subjected to tensile force and is currently mostly made of aluminum alloy, which has undergone artificial aging and surface hardening oxidation. The threading rod is relatively thin and used to thread the wire. It is subjected to strong upward and downward pulling forces from the wire, so it requires smoothness, toughness, and good strength. Stainless steel strips are often used and processed through rolling, heat treatment, straightening, polishing, and other treatments. Make three connections to ensure the firmness of the frame; Adopting advanced technology to ensure the precision of the integrated frame, the main contents are as follows.

Three connections
The first connection, the connection between the crossbeam and the side guard, adopts a flexible connection, that is, there are irregular rubber parts and special connection methods between the two types of connecting metal materials, so that the side guard and the crossbeam can rotate slightly when the frame moves at high speed, reducing the impact of vibration and uneven force on the frame, and allowing the side guard to move vertically up and down in the guide rail without being affected by bending force.
The second connection, the connection between the crossbeam and the threading rod, has two methods: suspension and riveting. The suspension type can ensure its connection strength by controlling the number of hooks and the precision of the fit between the hooks and the crossbeam, hooks and threading rod, as well as the material of the hooks. The requirements for riveted connections are high, and they must be synchronized, aligned, automatically drilled, and riveted in a constant temperature chamber of 20~40 ℃, which can solve the problems of deformation and fastness after riveting and ensure accurate dimensions.
The third connection, the connection between the frame and the loom, is achieved through the driving hook of the frame. The driving hook must have sufficient strength and be firmly and accurately connected to the frame to prevent loosening during high-speed operation and under high loads. The current driving hooks can be flexibly, tightly, firmly, and quickly connected according to the different link sizes of the opening devices of different looms. The driving hooks should have good accuracy and strength.
Advanced technology
In addition to sufficient strength and connection fastness of the material, advanced manufacturing processes should also be used to ensure accurate dimensions of the composite frame. The main dimensions of the integrated frame include the dimensions of each component, the overall length, flatness, perpendicularity, wire spacing, and correct positioning of the driving hook. The processing requirements, process flow, and working environment of each component are strictly controlled. The components should be designed reasonably and equipped well to achieve standardization and generalization of the integrated frame. In order to eliminate accumulated errors in processing, specialized production machinery for integrated frames should be used.