What is busbar punching machine?

The busbar punching machine is an automated equipment specially used for punching metal busbars. It can quickly and accurately punch out the required holes on the busbar through high-precision molds to meet the needs of electrical equipment installation and connection.

In the manufacturing process of power equipment and electrical products, the busbar is an important part of the transmission of current, and its processing accuracy and efficiency directly affect the performance of the entire electrical system. In order to improve the processing quality of busbars and reduce labor costs and production time, busbar punching machines came into being.

Table of Contents


The busbar punching machine is an automated equipment specially used for punching metal busbars. It can quickly and accurately punch out the required holes on the busbar through high-precision molds to meet the needs of electrical equipment installation and connection. The busbar punching machine not only improves the efficiency of busbar processing, but also greatly improves the position accuracy and dimensional consistency of the holes, providing a strong guarantee for the stable operation of the electrical system.

working principle

The working principle of the busbar punching machine mainly relies on stamping technology and automation technology. In the stamping part, the machine applies a huge instantaneous pressure to the busbar through a precision mold, thereby punching holes in the busbar. In the automation part, the busbar punching machine can automatically complete a series of actions such as feeding, positioning, stamping, and material withdrawal through an advanced control system, realizing the entire process of automated production.

Preliminary preparation

  1. Check the equipment: Before use, the busbar punching machine should be comprehensively inspected to ensure that all components are intact, the oil level of the hydraulic system is normal, and the electrical system wiring is correct.
  2. Select the mold: Select the appropriate punching mold according to the material, thickness and punching requirements of the busbar.
  3. Adjust parameters: According to the specifications of the punching mold and busbar, adjust various parameters of the punching machine, such as punching depth, punching speed, etc.

Operation steps

  • Start up: Turn on the power, start the punching machine, run it without load for a few minutes, and observe whether there are any abnormal sounds or vibrations in the equipment.
  • Place the busbar: Place the busbar to be punched at the designated position of the punching mold, ensuring that the busbar is aligned with the mold.
  • Start punching: Press the punch button, the punching machine starts to work, and the hydraulic cylinder drives the punch to punch the busbar.
  • Check the finished product: After punching is completed, take out the busbar and check whether the punching position is accurate and the hole diameter meets the requirements.
  • Repeat operation: If you need to continue punching, repeat the above steps; if punching is completed, turn off the punching machine and disconnect the power supply.

Types of busbar punching machines

According to different punching methods, busbar punching machines can be divided into two categories: mechanical punching machines and hydraulic punching machines. The mechanical punching machine mainly relies on mechanical transmission and impact force to complete the punching action. It has a simple structure and is easy to maintain. It is suitable for punching small holes and thin plates. The hydraulic punching machine uses the principle of hydraulic transmission to generate huge pressure through the hydraulic cylinder to punch holes. It is suitable for processing large hole diameters and thick plates. It has the characteristics of large punching force and good stability.

Application of busbar punching machine

Busbar punching machines are widely used in power, electrical, switch cabinets, distribution boxes, transformers, bridges, communication equipment and other industries. In these industries, busbar punching machines are not only used to process copper and aluminum busbars of various specifications, but also can be used to process stainless steel, galvanized sheets and other metal materials. With the rapid development of new energy, smart grid and other fields, the application scope of busbar punching machines will be further expanded.

Advantages of busbar punching machine

  1. High efficiency: The busbar punching machine adopts automated feeding and stamping technology, which can complete the punching process of a large number of busbars in a short time, greatly improving production efficiency.
  2. High precision: Through precision molds and advanced control systems, the busbar punching machine can ensure the position accuracy and dimensional consistency of each hole to meet the needs of high-precision processing.
  3. Manpower saving: The automated production process reduces manual participation, reduces the labor intensity of operators, and also reduces quality fluctuations caused by human factors.
  4. High safety: The busbar punching machine is designed with operational safety in mind and is equipped with multiple safety protection devices to effectively avoid safety accidents during operation.

Key points for buy busbar punching machines

When purchasing a busbar punching machine, users need to consider the following points:

  1. Processing capacity: Choose the appropriate punching method and processing specification range according to actual needs to ensure that the machine can meet production needs.
  2. Precision requirements: For bus bars that require high-precision processing, a punching machine model with higher precision should be selected.
  3. Production efficiency: Consider the stamping speed and degree of automation of the machine, and select equipment that can meet the production rhythm requirements.
  4. Brand and service: Choose well-known busbar machine brands and busbar machine manufacturers that provide high-quality after-sales service to ensure the performance and service life of the equipment.

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  • Where to buy reliable quality busbar machine?

    We are a China busbar machine manufacturer and factory. Please contact our sales manager Lisa (Email: lisa@busbarmachine.co) and provide busbar drawings or product samples. We will evaluate and make the best recommended product or product for you. Busbar machine customization (function or PLC), and complete technical quotation provided.

  • With imited budget, which model of busbar machine to buy?

    SUNSHINE has economical busbar machines and high-performance automatic CNC busbar machines, and can customize technical quotation plans according to the customer’s production site, busbar processing requirements and capital budget. Please contact our professional sales manager Lisa (Email: lisa@busbarmachine.co) for technical support and quotation services.

  • In addition to busbar machine, do you provide busbar mould?

    We usually give away some busbar molds, including bending, cutting, punching and embossing, etc. If you have special busbar mold requirements, we can customize them for you, with prices ranging from US$40 to US$100.

  • What is the voltage of the machine?

    The standard voltage is 3 phase, 220 V, 60 Hz. The voltage can be customized as per customer’s requirements.

  • What is the lead time?

    This depends on our inventory availability and the complexity of the busbar machine. Normally, it takes up to 3 days if we have suitable busbars in stock, and for busbar machines that need to be manufactured from start to finish, we usually take about 7 to 15 days. For complex machines or busbar production lines, we need about 20 to 30 days.

  • What is your warranty policy?

    We provide 12 monthly warranty under proper use. will provide remote assistance and send free replacement parts under the warranty period.

  • What is your payment terms?

    Our payment term is 30% advance payment and 70% balance payment before shipment.

  • Can you send engineers overseas to perform on-site installation, training or testing services?

    All machines will be tested and debugged before shipment. In principle, we only provide remote debugging services and remote technical assistance. If it is a busbar production line, we will have technicians on-site for on-site service.

  • Can we visit your factory or conduct an on-site inspection?

    We very much welcome customers to visit and inspect the factory. Please contact our sales manager Lisa (Email: lisa@busbarmachine.co) and tell us your schedule. We will send you a formal business invitation letter.

  • Can I become a distributor of your factory in our country?

    We very much welcome you to apply to become our busbar machine distributor and jointly develop overseas markets. We will provide generous sales commissions and additional cash incentives. For specific cooperation content and methods, please contact our CEO Robin (Email: ceo@busbarmachine.co).