Machining
We are your No. 1 partner and supplier for CNC machining and the turning of turned parts. Find everything you need to know about CNC-turned parts here.
Specializing in CNC-machined turned parts
Turned parts are mechanically manufactured components—usually rotationally symmetrical—that are produced using the turning process as part of machining technology. Similarly, the terms “welded parts” are used for welding, “laser-cut parts” for Laser cutting, and “milled parts” for milling.
In turning, the workpiece is machined using lathes or turning-milling centers. The turned parts are shaped by a turning tool. The excess material of the turned part is thus removed by the turning tool, often at speeds exceeding 1,000 revolutions per minute. The material properties, the tools used, and the diameter to be machined all influence the feed rate and spindle speed during turning.
Our team will be happy to advise you on feasibility, efficiency in manufacturing, and any specific questions you may have regarding your turned parts. Just get in touch with us!
As a supplier of CNC-machined turned parts and CNC-machined long turned parts, we specialize in machining. We offer a full range of services for your turned parts, including non-disclosure agreements (NDAs), documentation, quality assurance, and logistics services.
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High-Performance Contract Manufacturing—Not Just for Turned Parts
In this video, you’ll get a glimpse into our day-to-day work as a contract manufacturer specializing in the machining of turned and milled parts, as well as the production of Welded assemblies. Of course, we also handle complete Contract manufacturing and Assembly of components for you.
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We deliver precision. Since 1869.
Turned parts manufactured with a high degree of accuracy and precision are referred to as precision turned parts. As a supplier of Machining services, we manufacture these precision turned parts using the turning process. Depending on your requirements, we can achieve tolerances of less than 0.02 mm for turned parts. You can find more information about precision parts here.
Applications for Turned Parts
Turned parts are often components of machinery. For this reason, turned parts are used in all sectors of the machinery and plant engineering industry. Thanks to state-of-the-art turning processes and machining equipment, we are able to offer you top-quality products at highly competitive prices. Try us out now and send us your inquiry for turned parts!
From easy to difficult to machine
Depending on customer requirements, virtually all types of metals are used in turning operations. These can be divided into materials that are easy to machine and those that are difficult to machine. As your expert contract manufacturer for turned parts, we offer turned parts made from both categories of materials.
Among the most commonly used materials are all types of steel, stainless steel, aluminum, copper, and many others. We turn and perform machining on specialty materials such as titanium or composites using specialized turning tools. We would be happy to advise you personally on the optimal turning process for your materials. Please feel free to contact us!
Our manufacturing capabilities
CNC turning refers to the computer-aided manufacturing process of turning parts. CNC stands for “Computerized Numerical Control.” In this process, the components are individually programmed. Using this manufacturing program, the lathes can then automatically produce the CNC-turned parts. The machining process is monitored by sensors on the lathe as well as by highly trained machinists. CNC turning makes it possible to produce turned parts with very consistent quality, even in very large production runs. For quality assurance, we also use 3D measurement of components on your behalf.
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More InformationSPALECK – Your No. 1 Supplier
We offer you the full range of machining and metalworking services from a single source. We would be happy to invite you to visit us at our headquarters in Bocholt and our additional CNC manufacturing facility in Greiz. Together, we are sure to find many opportunities for collaboration.
Our Full-Service Offering

Contract manufacturer for long-turned parts

CNC Parts from the Pros

Milled Parts from a Top Supplier

CNC production of large parts

Comprehensive service from A to Z, including electrical installation

For CNC Parts & Welded Assemblies

Sheet metal blanks up to 2,000 x 6,000 mm

Certified. Documented. Efficient.

Functionality, Aesthetics, and Quality

High-Quality Adhesive Joints

SPALECK Surface finishing

Electroplating Your Components
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Here you’ll find a few questions about the manufacturing of turned parts. Feel free to send us your question via chat—we’re happy to help!
Tip parts are clamped and turned as turned parts between the tips.
Bar parts are turned parts whose diameter corresponds approximately to that of the workpiece and whose length is a multiple thereof. The bars are usually fed into the lathe using a bar feeder. Once a workpiece has been machined, it is separated from the material bar by means of cut-off turning. The bar is then fed further into the lathe so that another workpiece can be produced from it.
Chuck parts are turned parts where the diameter roughly corresponds to the length. Chuck parts are clamped in lathe chucks for Machining.
Shaft parts are turned parts that bend under their own weight. The imbalances and machining forces when Machining shaft turned parts are relatively high and stronger than for chucked parts. They are therefore better supported during turning. The length of the shaft parts is a multiple of the diameter.
Machining by SPALECK
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