The first two types of resistors in busbar processing machines are the most widely used. Their failure characteristics are as follows: firstly, resistors with low resistance values (below 100Ω) and high resistance values (above 100kΩ) have a higher failure rate, while those with intermediate resistance values (such as several hundred ohms to tens of thousands of ohms) rarely fail; secondly, when low-resistance resistors fail, they often become charred and blackened, which is easy to detect, while high-resistance resistors rarely leave any traces when they fail. Wirewound resistors are generally used for limiting high currents and have small resistance values. When cylindrical wirewound resistors in busbar processing machines burn out, some may become blackened or develop peeling or cracks on their surface, while others may show no traces. Cement resistors, a type of wirewound resistor, may break when they burn out, otherwise there will be no visible traces. When fuse resistors burn out, some may have a piece of their surface blown off, while others may show no traces, but they will never become charred and blackened. Based on these characteristics, inspection of resistors can be focused to quickly identify damaged ones.

The output of the pulse encoder from the busbar processing machine manufacturer typically consists of two pairs of differential signals, A and A, and B and B, which can be used for position and speed measurement. The four square waves, A and A, and B and B, are introduced into the PG card. After direction identification and multiplication by a magnification factor, they become measurement pulses representing displacement. These pulses are then introduced into the PLC high-speed counting terminal for position control.

​​​​​​​The busbar processing machine system employs a relative counting method for position measurement. Before operation, the corresponding pulse counts for various signals, such as the speed change point position, leveling point position, and braking stop point position, are programmed and stored in the respective memory units. During elevator operation, the following signals are detected by the rotary encoder and calculated in real-time by software: elevator floor position, speed change point position, and leveling point position.

​​​​​​​The busbar processing machine performs floor counting, sends speed change signals, and emits leveling signals. In case of line faults, line patrol personnel can quickly identify the fault section and locate the fault point with the help of the indicator's alarm display. At the same time, the fault indicator can achieve real-time detection of the line's operating status and the location of faults, such as power transmission, power outage, grounding, short circuit, overcurrent, etc. When the line's operating status changes, it can promptly inform the personnel on duty and management personnel, enabling them to make quick decisions for handling. This can greatly improve power supply reliability and enhance user satisfaction. It also facilitates the information management of line and equipment operations.

After prolonged use, the production model of the busbar processing machine must have its cutting edge ground. After grinding, the cutting edge surface must undergo demagnetization to ensure it does not possess magnetic force, as this can easily lead to material blockage. Spring and other elastic components are most prone to damage during use, often exhibiting signs of breakage and deformation. The method adopted for the busbar processing machine is modification. During the modification process, it is essential to pay attention to the specifications and models of the springs. The specifications and models of the springs are identified by color, outer diameter, and length, and modification can only be carried out when all three items are identical.

During the operation of the busbar processing machine production model, the punch is prone to exhibit phenomena such as bending, buckling, and wear. The punch sleeve is typically worn out. The destruction of the punch and punch sleeve is commonly rectified by using parts of the same specification. The parameters of the punch mainly include the dimensions of the working part, the dimensions of the installation part, and the length dimension. When fastening parts, check for any signs of loosening or damage, and the method adopted is to find parts of the same specification for replacement. Pressure parts such as pressure plates, urethane rubber, etc., and unloading parts such as stripping plates, pneumatic ejectors, etc.

​​​​​​​During the maintenance and protection of the busbar processing machine, inspect the relationship between various parts and components, check for any missing or damaged parts, repair any damaged parts, inspect the pneumatic jacking system for any air leaks, and take measures to address specific issues. If the air pipe is damaged, replace it. Select the correct busbar slot rated current capacity based on the operating current of the busbar processing machine. The rated current capacity should be selected according to the standard current rating provided by the manufacturer for the busbar slot product.

​​​​​​​The busbar processing machine in the busbar trunking system generally consists of the following units: feeder busbar (without plug) or plug-in busbar (with plug) straight segment unit; incoming (outgoing) line unit for interfacing with facilities such as transformers and distribution cabinets, equipped with three-phase four-wire system and three-phase five-wire system (with additional independent PE bar, and some manufacturers provide aluminum alloy shell as a means of collective grounding PE); commutation unit includes L-shaped unit, T-shaped unit, and Z-shaped unit; expansion unit includes expansion joint busbar unit; plug-in unit includes plug-in box unit. All units are generally pre-configured by the busbar trunking manufacturer according to standards, or can be customized after on-site survey according to engineering requirements to meet user and installation needs. The busbar trunking system is commonly used in transformers

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Operation steps for busbar machine equipment:

1. The overall design of the busbar machine is brightly colored, with a painted surface and treated with phosphate coating for rust prevention, making it wear-resistant and impact-resistant

2. The working surface, which has undergone mirror treatment, has been polished and chrome-plated, presenting a precise and stable working surface

3. Precise guidance on the control switch of the four-position valve, and the correct positioning for using the punching machine, bending tool, and cutting tool

4. A safe and secure electric pump foot switch that controls oil inlet and return

5. The busbar machine is designed with a copper scrap collection bag and a chip outlet with an opening, featuring a slide-type design that can collect the cut and threaded copper scraps, preventing them from scattering and getting messy

6. The bottom of the busbar machine is equipped with pulleys, and the pulleys are equipped with a foot-operated switch, allowing the operator to move to the optimal work site and secure the product

7. To facilitate the operator's use of the busbar machine, a tool cabinet has been added to the product design for tool storage, thus avoiding disorderly placement and loss of tools

Currently, the cutting technology at the cutting station of the busbar processing machine is divided into misaligned cutting and punching cutting.

1. Misalignment shearing.

​​​​​​​The shearing method employed by most shearing stations of busbar processing machines, specifically the three-station busbar processing machine, belongs to the misaligned shearing category. This design facilitates simple mold manufacturing, reduces the cost of the busbar processing machine, and simplifies the shearing process, making it easier for users to understand, operate, and maintain. However, the copper bar cuts are often uneven, with small smooth areas and inclined cuts, which cannot meet the operational requirements.

​​​​​​​2. Punching and shearing.

​​​​​​​After conducting research and analyzing relevant materials, this design adopts the punching and shearing method. This processing method is more similar to punching than shearing, except that the shape of punching is a very narrow rectangle, which is a kind of enclosed shearing. During punching and shearing, since both sides of the cutting edge of the tool contact the copper bar, the forces on both sides are symmetrical, resulting in a better neatness and quality of the copper bar cut than the former method.

​​​​​​​Tool design for the shearing station.

​​​​​​​The shearing tool is the main working part of copper bar forming. The entire set of shearing tools is divided into two parts: the upper part, which is the upper cutting blade, and the lower part, which is the fixed blade, one on each side. As shown, the tools move downwards to perform the machining process. This design is based on the consideration that copper bars are generally placed on a lower processing platform, making positioning and machining more convenient. Secondly, during machining, the weight of the tool itself can be fully utilized to convert it into useful work, thereby improving the quality of the machining process. This avoids the disadvantage of the fixed blade's upward movement causing gravity to become a resistance.

1. High production efficiency

The punching unit of the turret busbar processing machine utilizes a turret-style mold library, capable of storing up to 8 sets of molds. The turret section is made of graphite cast iron (increasing the service life of a single hole by three times and the overall service life by over twenty times). The oblong holes can be arbitrarily adjusted. Generally, most commonly used molds can be mounted on the turntable, and embossments can also be placed on the turntable. Appropriate punching molds can be selected for work, with simple operation. This greatly reduces the time required for mold replacement and enhances production efficiency.

​​​​​​​2. Wide range of applications

The development of turret busbar processing machines has led to a widening range of fields requiring busbars. In recent years, with technological advancements, the types of busbars have also increased. Copper and aluminum busbar processing machines are widely used in various electrical manufacturing industries, including high and low voltage switchgear, substations, busbar trunking, cable trays, electrical switches, communication equipment, household appliances, shipbuilding, office automation equipment, elevator manufacturing, and chassis and cabinet manufacturing.

​​​​​​​3. Versatile usage

​​​​​​​Due to the significant role of turret busbar processing machines in our lives and their widespread application, the role of turret busbar processing machines is also quite substantial. Busbars are used in various fields of life, from rockets and tanks to mobile phones. The development of busbars has led to an increasingly broad range of fields requiring them, and the greater usage of busbars has led to a broader market for turret busbar processing machines. In recent years, with technological advancements, the types of busbars have also increased, leading to a growing demand for turret busbar processing machines.

​​​​​​​4. Technologically advanced

​​​​​​​The turret busbar processing machine is a supporting equipment designed to enhance work efficiency and ensure operational safety. Its unique structure makes the turret busbar processing machine more efficient than traditional busbar processing machines. In terms of both the types of busbars produced and production speed, the CNC busbar processing machine surpasses ordinary busbar processing machines. The inherent advantages of the equipment also contribute to its broad market prospects.

Correct usage method of copper bar processing machine

Firstly, operators must follow the operating instructions for the copper bar processing machine and refrain from operating it in violation of regulations, which could cause injury or damage to personnel and equipment. The molds and accessories of the copper bar processing machine must be kept in good condition. Operators should be familiar with the structure, performance, and operating methods of the machine. Secondly, the installation, commissioning, or disassembly of molds must be carried out by personnel familiar with the machine and in accordance with prescribed procedures. When the machine is running, do not place your hands or any part of your body between the upper and lower molds to avoid accidents.

​​​​​​​The function of the leakage protector in the copper bar processing machine

​​​​​​​A leakage protector is a current-operated leakage protection device, suitable for power transformer neutral grounding systems (TT and TN systems) and also for certain IT systems with large ground capacitance where the neutral point is not grounded (not applicable to phase-to-phase electric shock). The "Technical Code for Safety of Temporary Electrification on Construction Site" (JGJ46-88) stipulates that leakage protection devices must be installed for temporary electricity use on construction sites. In Chapter 9, "Temporary Electricity Safety Protection," of the "Beijing Construction Site Safety Protection Standards" formulated and implemented by the Beijing Municipal Construction Commission in 2003, it is further required that leakage protectors be used step-by-step at all levels of distribution lines on site. Therefore, the correct configuration of leakage protectors plays a crucial role in safe electricity use.