Jiaozuo brake

The DC electromagnetic iron is energized and uses the electromagnetic force to eliminate the force of the brake spring, opening the brake clamp and releasing the brake. When braking, the DC electromagnet loses power and stops working. The force of the compressed spring is used to clamp the brake clamp for braking. The brake uses an electromagnet, including an electromagnet and an electronic control protection circuit. The electromagnet includes a fixed iron, a moving iron, and an iron core coil. The coil is installed on the fixed iron, and a sliding sleeve is installed on the fixed iron and moving iron. The electronic control protection circuit includes a rectifier circuit for the electromagnetic iron coil. Metallurgy, construction, chemical industry, food, machine tools, stage, etc In elevators, ships, packaging and other machinery, as well as in situations such as braking during power outages (safety measures).

The brake that uses electromagnetic effect to realize braking can be divided into electromagnetic powder brake, electromagnetic eddy current brake, electromagnetic friction brake and other forms

Electromagnetic powder brake: When the excitation coil is energized, a magnetic field is formed, and the magnetic powder is magnetized under the action of the magnetic field, forming a magnetic powder chain, which aggregates between the fixed magnetic conductor and the rotor. Braking is achieved by the binding force and friction force of the magnetic powder. When the excitation current disappears, the magnetic powder is in a free and loose state, and the braking effect is relieved. This type of brake has small volume, light weight, low excitation power, and the braking torque is independent of the rotational speed of the rotating parts. However, magnetic particles can cause component wear. It is convenient for automatic control and suitable for driving systems of various machines.

Electromagnetic eddy current brake: magnetic field is formed when exciting coil is energized. The armature on the brake shaft rotates and cuts the magnetic field lines, generating eddy currents. The interaction between eddy currents and magnetic fields in the armature forms a braking torque. The electromagnetic eddy current brake is durable, easy to maintain, and has a wide speed range; But at low speeds, the efficiency is low and the temperature rises, so heat dissipation measures must be taken. This type of brake is commonly used in machinery with vertical loads.

Electromagnetic friction brake: The excitation coil is energized to generate a magnetic field, and the armature is attracted by the magnetic yoke. The armature is connected to the flange to achieve axial braking. The use of electromagnetic brakes should be avoided to prevent dust from entering the gap of the electromagnet and affecting its engagement. For special or important occasions, additional functions of brakes should be added as needed. In low temperature environments, electric hydraulic thrusters can be used for heaters. When there are strict requirements for the transition between starting and braking processes, install a travel switch to understand the opening and closing status of the brake. For environments where maintenance and adjustment are difficult to implement, brake gap equalization devices and automatic compensation devices for friction plate wear can be installed. Adding a manual brake release device can manually open the brake in special circumstances.

In addition, it is subdivided into electromagnetic disc brake, dry multi disc electromagnetic drum brake, wet electromagnetic block brake, etc. Notes editing

1. Please use the electromagnetic brake in a state where there is no water or oil at all. If the friction area is contaminated with substances such as water or oil, the friction torque will be greatly reduced, and the braking sensitivity will also deteriorate. To avoid these situations in use, please add a cover.

2. When using in dusty areas, please put all the brakes in the box. Electromagnetic brakes below 60KGM can be used in upright versions, even higher models can be used.

3. Please use JIS0401 H6 or JS6 specifications for the long shaft size used to install the brake. Please use one of the keys specified in JIS B1301-1959 for installing the shaft.

4. Considering factors such as thermal expansion, please choose a thrust of less than 0.2MM for installing the shaft.

5. Please adjust the suction gap mechanically to within 20% of the specified value during installation.

6. Please keep the bracket light and do not use the bearings of the brake to withstand excessive pressure.

7. Regarding the screws used for assembly, please use spring metal sheets, adhesives, etc. to prevent loosening.

8. While using the mechanical side frame to maintain the leads, it is also necessary to use terminal boards and other devices for precise connections

ZWZA series DC electromagnetic block brake:

ZWZA-400; ZWZA-500; ZWZA-600; ZWZA-700; ZWZA-800;

ZWZ2 series DC electromagnetic block brake:

ZWZ2-160/100; ZWZ2-160/200; ZWZ2-200/100; ZWZ2-200/200; ZWZ2-200/300; ZWZ2-250/200; ZWZ2-250/300; ZWZ2-315/200; ZWZ2-315/300

ZWZ3A series DC electromagnetic block brake:

ZWZ3A-400/400; ZWZ3A-400/500; ZWZ3A-500/400; ZWZ3A-500/500; ZWZ3A-500/600; ZWZ3A-630/500; ZWZ3A-630/600; ZWZ3A-630/700; ZWZ3A-710/600; ZWZ3A-710/700; ZWZ3A-710/800; ZWZ3A-800/700; ZWZ3A-800/800

TJ2 series AC electromagnetic block brake:

TJ2-100/100; TJ2-200/100; TJ2-200/200; TJ2-300/200; TJ2-300/300

JZ series energy-saving electromagnetic block brake:

JZ-100; JZ-200; JZ-300; JZ-400; JZ-500; JZ-600

MW series energy-saving AC electromagnetic block brake:

MW-100; MW-160; MW-200; MW-250; MW-315; MW-400; MW-500; MW-630; MW-710; MW-800

MWZ series energy-saving DC electromagnetic block brake:

MWZ-100; MWZ-160; MWZ-200; MWZ-250; MWZ-315; MWZ-400; MWZ-500; MWZ-630; MWZ-710; MWZ-800