Strengthening Core Capabilities A European automotive group built a gearbox plant in Southern Europe and entrusted the drive shaft grinding process design to JUNKER. The JUNKER also did not have a heavy hope, and tailored a flexible “Plug & Play†flexible manufacturing process.
The automotive industry is the most challenging area for machine tool builders. The automotive industry places high demands on production quality, cycle time, cost per piece, annual production, procedures and equipment availability. Under the premise of complying with certification regulations, corporate standards and supplier regulations, the maximum investment and after-sales service are also facing increasing challenges and pressures. The increasingly shortened market launch cycle of new models has a direct impact on the continuous fine-tuning of machine tools, which is reflected in both process design and machine tool configuration. If you enter the market successfully, your international reputation and a large number of project orders will follow. And the business you have to do with a car manufacturer must be flexible and flexible.
Operate branch operations arbitrarily to produce multiple types of drive shafts
Despite such a wide range of frame conditions, the Jurke Group, a grinding equipment manufacturer based in Nordrach, has successfully become a technology partner for car manufacturers for many years. The production requirements of potential technical partners include the integral grinding of the drive shafts (driver shaft and output shaft) for two case hardened steels. Grinding methods include plunge grinding, face grinding and all external grinding. In other words, the entire contour is ground.
When the tolerance is approximately 10 μm, the machine capacity index (cmk) should be between 1.67 and 2.0. The JUNKER machine has a complete integrated process measurement system and a closed-loop control loop, so the above requirements are not a problem for JUNKER, as this is the standard for JUNKER machines. In addition, the machine manufacturer must adapt to the workpiece logistics conveyor provided by the commissioner with a single workpiece carrier and RFID identification workpiece chip to ensure automatic workpiece loading and unloading between the machine tool and the workpiece carrier. The "HMIpro" software is set up by Siemens, the manufacturer of the control unit, and the customer has also established a uniform operating interface for the production staff.
The goal of the machine tool manufacturer's gearbox production is to flexibly operate each branching process (turning, milling, grinding, etc.) in any order based on the central conveyor belt, enabling the necessary grinding of small batches or single-piece products. Operation and grinding parameter changes. In theory, the minimum batch size is 1.
High-quality and efficient grinding: straight-cut grinding with electroplated grinding wheels on EJ50 equipment
High-quality and efficient grinding: seamless forming grinding with ceramic bond CBN grinding wheel set on EJ50 equipment
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