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Machining

Turned parts

We are your No. 1 partner & supplier for CNC machining and the turning of turned parts. Find everything you need to know about CNC turned parts here.

Close-up showing the production of a CNC-machined part at the contract manufacturer SPALECK; here, a view inside the state-of-the-art lathe

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Specializing in CNC-machined turned parts

What are turned parts?

Turned parts are mechanically manufactured and usually rotationally symmetrical components that are produced using the turning manufacturing process as part of machining technology. Similarly, we speak of welded parts in welding, laser parts in laser cutting or milled parts in milling.

When turning, the workpiece is machined using lathes or turning/milling centers. The turned parts are modeled using a turning tool. The excess material of the turned part is thus removed from the turning tool, often at more than 1,000 revolutions per minute. The material properties, the tools used, and the diameter to be machined all affect the feed rate and spindle speed during turning.

Your experts for turned parts

Our team will be happy to advise you on feasibility, cost-effective manufacturing, and specific questions regarding your turned parts. Just get in touch with us!

Quality Since 1869

Contract Manufacturer for Turned Parts

As a supplier of CNC-machined turned parts and CNC-machined long-turned parts, we specialize in machining. We offer you a full service for your turned parts, including non-disclosure agreements (NDAs), documentation, quality assurance and logistics services.

We manufacture turned parts for you as

Our service as a manufacturer of turned parts

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Spaleck GmbH & Co KG
Robert-Bosch-Str. 15

46397 Bocholt

Phone: +49 2871 2134 – 0
E-mail: info@spaleck.de

A Look at Our Machining & Metalworking Operations

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 all contract manufacturing and assembly of components for you.

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CNC machine machines metal components, with a focus on precision turned parts.

What are precision turned parts?

We deliver precision. Since 1869.

Very accurately or precisely manufactured turned parts are referred to as precision turned parts. As a supplier to the machining industry, we manufacture these precision turned parts using the turning process. In accordance with your requirements, tolerances of less than 0.02 mm can be maintained for turned parts. You can find more information about precision parts here.

Machined turned parts from contract manufacturer SPALECK

Where are turned parts used?

Applications for turned parts

Turned parts are often components and parts of machines. This is why turned parts are used in all sectors of mechanical and plant engineering. Thanks to state-of-the-art turning and machining equipment, we are able to offer you top-quality products at highly competitive prices. Try us out now and send us your request for turned parts!

Advantages of turned parts

  • They are made to measure
  • Consistently high product quality
  • Low tool wear (compared to manual turning)
  • Economical production
  • Favorable purchasing conditions
  • High variety of materials
  • Modern machinery enables the production of highly complex geometries
Machining of a turned part at contract manufacturer SPALECK—close-up view of the interior of the CNC machine

Which materials are suitable for turning?

From easy to difficult to machine

Almost all types of metal are used for turning, depending on customer requirements. These can be divided into materials that are easy to machine and materials that are difficult to machine. As your trusted contract manufacturer for turned parts, we offer turned part manufacturing in both material categories.

The most commonly used materials include all types of steel, stainless steel, aluminum, copper and many more. We turn and machine special materials such as titanium or composite materials using special turning tools. We would be happy to provide you with personalized advice on the best turning processes for your materials. Feel free to contact us!

Rendering of a turning center in use at the contract manufacturer SPALECK

What does CNC turning actually mean?

Our manufacturing capabilities

CNC turning refers to the computer-aided manufacturing process of turning turned parts. CNC stands for “Computerized Numerical Control.” The components are programmed individually. The lathes can then use this production program to automatically manufacture the CNC turned parts. The machining process is monitored by sensors on the lathe and by the highly trained cutting machine operator. CNC turning makes it possible to produce turned parts even in very large series with very consistent quality. We also use 3D measurement of components for quality assurance.

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Turned parts contract manufacturing

SPALECK – Your No. 1 Supplier

We offer you the complete range of machining and metal processing from a single source. We would be happy to invite you to visit us at our headquarters in Bocholt and our other CNC manufacturing facility in Greiz. Together, we’re sure to find many opportunities to work together.

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Everything You Need to Know About Turned Parts

FAQs

Here are 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

When precision matters