Detailed tooling board and its development

As the main tool for the wire harness industry, the tool plate plays a decisive role. Employees need to rely on tooling plates for back-end assembly work. It can be said that the tooling board is the basis and basis for the operation. The alignment layout and graphic information of the alignment are directly related to the production efficiency/product quality. It can be said to be a stereoscopic and intuitive one. Operating instructions! Let us now understand the tooling board through the following questions.

The tooling board is an auxiliary production tool. The purpose is to produce the automotive wiring harness that meets the customer's needs. What is the customer's demand? That is the wiring harness 2D drawing, usually we call the customer drawing, which is the drawing drawn by the harness engineer according to the layout of the vehicle's electrical and electrical layout. There are specific requirements for connectors and wires and various auxiliary materials, such as the insertion hole position of the wire. The color of the wire, what tape is used to fix the basic information.

The tooling board is converted into the design drawings suitable for the employees' production and manufacturing according to the requirements of the customer's drawings, and then the drawings are manufactured on the boards, so that the employees can understand the familiar operation requirements intuitively and clearly; due to the complicated information on the tooling board (Germany) Departments of Japanese are different. New employees can only be mastered through qualification training.

Tooling plates are generally composed of wood (base material) and various fixtures (metal/plastic). Because it needs to carry a lot of fixtures (heavy weight), the planks are generally solid and are laid out at an angle to the employees. There are two production modes, assembly line and single board. There are many illustrations and even physical photos of the parts on the tooling board to make the employees more clearly and clearly understand the manufacturing requirements.

First of all, the tooling plate must be manufactured in accordance with the customer's drawings. The dimensions required by the customer's drawings must be guaranteed; the customer's drawings have tolerances, such as from the connector A to the staple B. The drawing requirements are 115 mm +/- 10 mm. In order to ensure quality, it is usually When the tooling board is manufactured, the center value is 115mm. If the position of the hole in the sheet metal is more than 7mm away from the staple when it is loaded, then we need to embark on 115+7=122mm.

At this time, the position of the fixture can be moved to ensure that the length of the branch to be made is about 122mm.

Second, the tooling board needs defiance measures. For example, there are directional staples and rubber parts. The rule-fixing means that if the opposite direction is impossible to put into the fixture, the employee will naturally know.

Third, the tooling board is required to be released. Generally, the first harness (preferably with high configuration) will be produced for verification. This work is led by the Quality Department and carefully inspected according to the customer's drawings. Any problems that do not conform to the drawings can be raised. In this process, the production department can also put forward requirements that are easy to operate, comprehensively consider improvements, and follow-up year changes and new If a modified version of the PA vehicle needs to change the direction and size of the branch, according to the normal procedure, it is necessary to do sample line verification first, and IE/Quality/Production participate in the first release.

A. In March 2017, the Shanghai International Electronic Fair in Munich demonstrated the use of electronic screens instead of wood for electronic tooling boards. The entire tooling board is a large electronic screen. The above branch is not drawn on the board, but is displayed on the screen with an electronic program control. In this case, if there is a change, only the background program needs to be adjusted, and the changed electronic layout is imported. To the database, you can clearly display it, to avoid the need to spend a lot of time and effort to stick cut patch work. However, because of the electronic screen, the above fixtures tend to retain only critical paths and may only be suitable for relatively simple harnesses. Overall, if the cost can be effectively controlled, the development prospects are worth looking forward to.

B. The principle of automatic punching machine tool plate is very simple, similar to the traditional electronic manufacturing SMT machine, only need to enter the coordinates of the machine to be punched, the machine's own drill (with different diameters can be selected) will automatically hit the hole, behind Need to install fixtures manually. This machine saves the time and effort of manpower drilling, and greatly increases the efficiency and shortens the construction period when mass-producing tooling boards (new projects or larger year-type changes). If the cost can be controlled better, I believe there is ample room for development.

The tooling board is the most important carrier for harness production. It is a much better tool to use and it is worth studying and exploring.

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