Successfully developed China's first CNC gear measurement center, and first applied the advanced technology such as 3D probe and linear motor to Xi'an Jida Precision Machinery Co., Ltd. (hereinafter referred to as “Xi'an Gongdaâ€), which is a domestic gear measurement. A well-deserved authority in the field of instrumentation. Xi'an has never lacked the passion for innovation, and their friendship with Renishaw in the UK is also established on the road of common pursuit of excellence and gradually deepens.
Professor Lau and D Series Gear Measurement Center
Since 1993, several old professors from Xi'an University of Technology have established this company. They have successively worked with Hanjiang Tools Factory, Chongqing Tool Factory and Harbin Measuring and Cutting Tool Factory (now Harbin Measuring and Cutting Tool Group Co., Ltd.) in the former Ministry of Weapons Industry and Machinery. Have cooperated and made research and development and transformation of the gear measurement center. For more than 20 years, the company has taken the lead in adopting the German VDI/VDE standard to produce gear measuring centers. It has taken the lead in applying advanced technologies such as 3D probes and linear motors to domestic gear measuring centers and realizing industrial production. In 2007, Xi'an Gongda was officially registered and established, mainly engaged in the production, development and sales of measuring equipment and special machine tools for gears and their tools. For more than 20 years, as Xi'an has grown stronger and stronger, their cooperation with Renishaw has also become better.
Professor Wu Qicheng, the chief engineer and deputy general manager of Xi’an, can be described as “knowing the rootsâ€: “We have a history of cooperation with Renishaw for nearly 20 years. This is a kind of mutual recognition of friends.†Renishaw Although the grating is a rising star in the field of gear measurement, it can win the favor of customers in the market where the masters gather. With the excellent quality and continuous innovation, it is the sincerity of growing together with customers. In an age when marketing methods are so strange, only time can prove everything.
Tailored to help create a series and new
Xi'an Gongda Company has a rich product line: gear measuring instrument, CNC wheel dressing machine, CNC tooth grinding machine, CNC gear grinding machine, CNC gear tool design software. In Xi'an to build a full range of products and explore new areas, whether it is long-term reliability or high dynamic performance, or the demanding requirements of pollution resistance, Renishaw's circular grating products can always meet their needs just right, so that Location feedback is no longer a bottleneck in the performance of its equipment.
Xi'an Gongda is also constantly summing up experience in the upgrading of products. In the field of gear measurement centers, Xi'an Co., Ltd. first developed the C series, which is a high-end positioning equipment, and still has market demand. The D series, which really makes Xi'an Gongda go "in full swing", is a general-purpose, mid-range, which meets the accuracy standards of German VDI/VDE 2612/2613 Class II gear measuring instruments (measured by ISO1328 for class 4 gears). In the structure, the layout structure of one rotary axis (Ø axis) and three linear axes (R, Z, T axis) can realize linkage control between arbitrary axes, and up to four-axis linkage control can be realized. In terms of hardware, all linear axes use Japanese AC servo motors; the spindles use American direct drive motors; the round gratings and probes are all Renishaw products. These ensure that each axis moves smoothly, without vibration and noise, enabling higher precision and higher speed measurements. The D-series gear measurement center opened the market for Xi'an Co., Ltd., and its accuracy is fully in line with market demand, and the cost savings are significant.
Application of Renishaw grating in D series
After the D series gains market recognition, Xi'an will continue to develop the E series (lower positioning) in the field of gear measurement centers, and at the same time, it will begin to engage in the field of gear processing and gear tools - offline wheel dressing machine, CNC tooth grinding machine and CNC grinding machine. Production of products such as gears. According to Prof. Lao, recently, in the process of developing CNC gear grinding machine, due to the large size of the mounting shaft of this grinding machine, the closed grating scale cannot be used, and the large-aperture structure of Renishaw's circular grating REXM meets the installation requirements. And the installation position is closer to the turntable to more accurately reflect the accuracy of the turntable.
Application of Renishaw grating in C895 gear grinding machine
If a few Jane comes from the high service,
It is precisely because of the right help of Renishaw products that Xi'an has made great progress, even in the economic crisis of 2008, the company's business still maintains rapid growth. Years of cooperation and use have made Professor Rauchic well aware of Renishaw's products. Taking the Renishaw circular grating as an example, he summarized the following points in combination with the company's product features:
(1) Unique DSI and dual readhead
For the performance of the circular grating, he said, "REXM has high precision, small deformation, easy installation and good center adjustment. Among them, the unique DSI interface box used by Renishaw eliminates the correction work; there is only one reading head. When the eccentricity is large, it needs to be compensated by using the laser interferometer, which is more troublesome. Now, after using the double readhead, the eccentricity error can be easily eliminated without compensation.†The REXM stainless steel ring is also directly scribed on the cylinder surface by adopting DSI. Combining the signals from the two readheads, the eccentricity is easy to correct, so the remaining errors (scratch and cycle errors) are very small, and the use of DSI may be better than ±1.0 arc seconds. The overall error can be connected to a computer for remote monitoring.
(2) ZeroMetTM steel and SiGNUMTM software
For linear gratings, he believes that "the original use of glass gratings, high cost and long delivery time and fragile, RELM uses ZeroMetTM steel, the coefficient of expansion is very small, only 0.6 at 20 °C, accuracy < ± 1μm, this is still Contains errors in installation and introduction; it is especially rare that both use SiGNUMTM free software to easily detect signal strength and observe Lisa Ruyuan."
(3) Value for money and service
When it comes to the price of a circular grating, he believes that "the product has high stability. So far, the grating used on the gear measuring instrument has never had quality problems, and the relative price of the product is low, which is equivalent to other performance. The difference between similar products is “too big to calculateâ€, especially the product after-sales service is good, and you can do it with questions and answers.
Renishaw's circular gratings are renowned for their excellent performance, excellent cost performance, perfect and fast response, and have won praises from customers in the gear meter industry.
Full of confidence and future racing
Xi'an has been founded since its inception, has risen and fallen, and registered in 2007, not weaker than Nirvana. After experiencing explosive growth in 2010 and 2011, the company has taken technology as the guide and products as the link. By integrating research, development, production and other resources, the company has developed into a high-tech enterprise with core technology. The serialization of intellectual property products and the creation of the “Total Precision†brand. Even in the current situation, it still maintains a growth rate of 50%. For this reason, Professor Lau and the company are full of confidence. In the field of gear processing and testing, under the “good help†of Renishaw products, continue to move forward!
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