What are the reasons why the automatic cutting machine fails to pass the safety inspection?

What are the reasons for the failure of the safety inspection of the automatic cutting machine?
1. Check whether the travel switch is stuck with debris the travel switch is broken;
2. Change the position of the relay press it tightly;
3. The solenoid valve fails, such as a stuck valve;
4. The oil pump fails to pump oil, a professional needs to check it;
Contactors are divided into AC contactors (voltage AC) DC contactors (voltage DC), which are used in power, power distribution power consumption. Contactors generally refer to electrical appliances in industrial electricity that use coils to flow current to generate a magnetic field close the contacts to control the load.
1. According to the transmission form:
A. Mechanical transmission cutting machine: It is an older machine.
B. Hydraulic transmission cutting machine: It is a more common cutting machine in modern times. According to the age, it can be divided into the first generation of plane guide hydraulic cutting machines, the second generation of ordinary four-column hydraulic cutting machines, the third generation of precision four-column hydraulic cutting machines gantry mobile hydraulic cutting machines.

C. Fully automatic rolling cutting machine: uses the sandwich method to process the whole leather textiles, etc.
D. Computer-controlled water jet cutting machine: It is a relatively advanced modern cutting machine. It does need to use a knife die cuts according to the input program. The punching source is a high-pressure water jet generator.
E. Computer-controlled ultrasonic cutting machine: The control form is similar to that of the water jet cutting machine, the punching source is an ultrasonic generator.
2. According to the structure of the cutting machine:
A. Rocker-type cutting machine: The punching part is a swinging rocker, which is suitable for punching non-metallic materials such as leather, natural materials artificial leather.
B. Gantry mobile cutting machine: The punching part is a punching head that can move left right along the beam. The knife die can be fixed on the punching head placed on the processed object. The large, computer-controlled gantry cutting machine has a rotating knife die holder installed on the punch head. The corresponding tool can be selected according to the program layout; of course, it needs to be equipped with an automatic feeding mechanism.
C. Flatbed cutting machine: The difference between it the gantry cutting machine is that the beam is directly punched there is no movable punching head. Flatbed cutting machines are divided into two categories: fixed beam beam can move forward backward worktable slide can move forward backward.
D. Four-column precision cutting machine: double cylinder, four-column automatic balancing connecting rod structure.
3. According to the purpose of the cutting machine processing parts:
A. Special cutting machine: blister cutting machine suitable for blister processing.
B. Horizontal cutting machine: suitable for processing tire materials.