Inspecting a fixture with the FaroArm.
The advancement of technology has led the automotive industry to the cusp of major change, and an aspect of this change is the growing demand from automobile manufacturers to raise standards for the automation of car body welding assembly.
One of the four major processes in automotive manufacturing, welding assembly ranks highly on the scale of importance.
Sichuan BMT Welding Equipment & Engineering Co., Ltd (BMT Welding) is a high-tech enterprise that provides development, design, and manufacturing services of complete sets of welding equipment for the automotive industry and other industrial sectors. Based in Chengdu, Sichuan, BMT Welding’s main products include automated welding assembly production lines and welding fixtures for automotive body in white (BIW), welding robot systems, special turn-key equipment for welding, and welding transmission device. A pioneer in the automotive welding industry, BMT Welding has established a reputation for its ability to design effective vehicle welding production lines for its clients. Counted among its clientele are renowned automobile manufacturers such as Dongfeng Motor, Dongfeng-Peugeot-Citroen Automobile, and Changan Automobile, and the accumulated income of BMT Welding’s projects with them amount to more than CNY 4 billion. The company has also been commended for its innovation and adoption of advanced technology, receiving honors such as National High-tech Enterprise, Provincial Technology Center, and Sichuan Constructive & Innovative Enterprise.
BMT Welding is a one-stop shop that combines development, design, manufacturing, supply, and other services. While there may be different challenges in each of stage of the production process, the stringent requirements for quality control remains unchanged. BMT Welding first purchased a FaroArm Platinum in 2005. Since then, the company has enjoyed a long-standing and fruitful partnership with FARO. BMT Welding currently owns 3 of FARO’s laser trackers and another 7 units of FaroArm, and it applies FARO’s 3D measurement solutions in all aspects of precision inspection for the welding assembly equipment.
“Initially, we went with FARO because several of our original equipment manufacturer clients were already using FARO’s equipment,” said Mr. Wu Junguo, Manufacturing Director at BMT Welding. “By using the same equipment, we ensure that there is consistency between our data inspection reports and our clients’ at final delivery. Later on, our experience with FARO’s product quality and after-sales service proved to be immensely satisfying, and we’ve continued the partnership ever since.”
The FARO Prime can be deployed on the shop floor for inspection.
FARO’s family of measurement solutions cover a wide range of functions, including non-contact scanning, contact measurement, and long-range dynamic measurement.
With its high accuracy measurements, as well as flexibility and portability, FARO’s measuring solutions are adept in measurement applications such as accuracy calibration, precision inspection, and assembly adjustment.
The quality of a vehicle hinges on the manufacturing accuracy of the BIW. It also has a direct impact on the performance of the vehicle, whether in terms of the vehicle’s safety, aesthetics, air tightness, or noise performance. For these reasons, it is important to improve the welding accuracy and quality of the automotive body through ensuring the accuracy of the welding assembly fixtures, and the optimization, reduction, and control of positioning errors.
FARO Laser Tracker Vantage is completing the inspection work on the shopfloor.
Before the application of 3D portable measurement solutions, welding assembly equipment manufacturers typically relied on manual measurements using hand tools. Such manual methods were time-consuming, unable to meet the level of accuracy required in the process, and prone to human error. With its ergonomic design, FaroArm enables the BMT Welding team to make complex measurements at all angles. The FaroArm is also capable of installing chucks quickly — facilitating easy installation at any work site, resolving issues on the positioning of holes, and establishing complete positioning reference data.
Portable, highly efficient, and unparalleled accuracy are some common statements that BMT Welding’s engineers have to say about their experience with the FaroArm.
With a measuring radius of up to 80 meters, the FARO® Vantage Laser Tracker is useful for the measurement, installation, and adjustment of large welding assembly fixtures and welding assembly production lines. By sending a laser beam to a retro-reflective target, the Vantage determines the distance and angles of a precise location, thereby measuring the object and carrying out actual and theoretical comparative analyses.
Compact, lightweight, capable of large volume, high-precision measurements, and easy to operate, the Vantage met BMT Welding’s daily measurement needs.
Mr. Wu added, “Apart from providing precision measurements of our welding assembly equipment, FARO’s measurement solutions are often used for on-site calibration, facilitating the verification of data for consistency and quality inspection, even at the delivery site.” Besides offering the industrial standard for consistency in measurement results, FARO also enabled BMT Welding to generate data reports easily, according to the specific needs of each client.
Due to the varying requirements that come with different projects, BMT Welding often brought its FARO solutions to customer’s sites for inspection and maintenance. “The FaroArm and FARO Vantage Laser Tracker are extremely portable. We can easily fit them in a car boot and bring it with us, saving both transport cost and effort,” shared Mr. Wu. “Many of our customers’ equipment are in old factories, where the working and weather conditions are challenging. However, even in Harbin — where the temperature dips to -30 degree Celsius, FARO’s equipment can still function normally. We believe in FARO’s trusted brand, reliable product quality, and attentive customer service. FARO’s portable measurement solutions have been vital in helping us safeguard our customer’s interest and uphold product quality.”
BMT Welding is one of four companies recognized as a Sichuan Constructive & Innovative Enterprise. Its drive for innovation has brought 22 new patents, including 15 invention patents, under its belt. In the area of research, the company has successively undertaken several national and provincial science and technology projects. These include prominent projects like:
Over the years, BMT Welding has developed and implemented a variety of flexible manufacturing systems (FMSs) for automotive welding assembly, and successfully published more than 10 quality theses. These achievements reflect the company’s high research capabilities.
Sichuan BMT Welding Equipment & Engineering Co., Ltd is a high-tech enterprise that provides development, design, and manufacturing services of complete sets of welding equipment for the automotive industry and other industrial sectors. Based in Chengdu, Sichuan, BMT Welding’s main products include automotive welding assembly production lines and welding fixtures for automotive body in white, welding robot systems, special complete equipment for welding, and welding transmission device.
Sichuan BMT Welding Equipment & Engineering Co., Ltd is a one-stop professional organization that combines development, design, manufacturing, supply and other services, and also specializes in large-scale special turn-key welding equipment.
The scope of its services include:
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