Most of our common lathes have a horizontal structure with a horizontal spindle, but this company has used reverse thinking to make a reverse lathe a new category of machine tools.
This is the German EMAG group. As the inventor of the reverse lathe, he introduced the reverse lathe in 1992, setting a new standard for lathe in the industry.
Furthermore, EMAG has never stopped innovating and developing.In turning, grinding, laser welding, electrochemistry, induction heat treatmentIn addition to gear hobbing technology, it has launched a series of innovative technologies and products, and continued to increase in the field of high-end machine tools and market share, creating a typical “hidden champion” in the German machine tool industry.
The VLC 200 GT vertical turning and grinding lathe is specially designed for processing disc-type parts of automobile transmission gears. The highlight is that the two machining processes are alternately combined intelligently and quickly depending on the geometry and quality requirements of the workpiece. The user not only benefits from efficient turning and grinding in just one clamping, but also benefits from its extremely high price-performance ratio. The machine tool takes up little space and can be flexibly connected to workshop equipment.
Machine loading of the entire process, including dressing, can be carried out at extremely high speeds thanks to the integrated loading and unloading spindle typical of EMAG. EMAG also optimized the mechanics of the treatment area doors in order to reduce unproductive times. After the spindle and workpiece reach the machining position, hard rough turning of the shoulder and bore is performed in rapid succession. There are then only a few microns left on the transmission pinion.
This also makes the subsequent grinding process much shorter, which can be completed with corundum or CBN grinding wheels. If only a small amount of material needs to be removed after turning, the grinding wheel can be sized specifically for the final quality required, allowing the VLC 200 GT to achieve surfaces with an average roughness Rz below the process values of 1, 6 microns. and guarantee process security.
Overall, the versatile process technology also opens up more possibilities for the user: depending on requirements, internal and external grinding spindles, beveling tools, integrated tool holders or the proven EMAG tool turret to 12 stations can be used. Tool costs are reduced because grinding wheel wear is slowed and the need for dressing is reduced.
If dressing is required, the VLC 200 GT is specially equipped with a separate diamond-coated dressing roller. The machine tool has the best equipment such as independent rotary dressing system and distance control monitoring, which can fully exploit the advantages of CBN technology. The integrated measuring heads detect the diameter and length of the components after the clamping process, ensuring permanent process reliability and high-quality machining.
EMAG’s R&D staff also attach great importance to user comfort and use wide doors to facilitate access to the treatment area. Tools and pliers are easy to use and can be changed quickly and easily.
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