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CNC machining

– online at FACTUREE

Why order CNC-machined parts at FACTUREE?

  • Express delivery within 9 - 12 working days
  • Constant free capacities thanks to a large production network
  • Quotation within 48 hours
  • Reliable punctual delivery

Service offer for CNC machining

  • CNC milling / CNC turning
  • Other technologies (CNC bending, laser cutting, EDM...)
  • Prototyping, small and large scale production.
  • Wide range of materials and surface treatments

FACTUREE - The Online Manufacturer provides high-precision production of complex metal or plastic components by means of CNC machining. As an Online Manufacturer, we have access to an almost unlimited number of CNC machines thanks to our constantly growing network of manufacturing partners and therefore always have free capacities.

Even in the case of demanding projects, your order will generally be delivered within 9 to 12 working days from the date it is placed.

The components you require can be manufactured using various processing methods such as CNC turning, CNC milling and CNC laser cutting. In addition to pre- and small-batch production as well as the production of prototypes, we also take on orders for large-batch runs.

The majority of our customers are medium-sized German companies, but the entire customer spectrum ranges from small engineering offices to multinational industrial companies.

With regard to the selection of materials, a large selection of metals (steels, stainless steels, aluminum alloys, copper, bronze, brass, titanium, etc.) and plastics (PEEK, PMMA, POM, PTFE, PVC, etc.) is available. While plastic parts are usually left in their raw state, we offer complete production including surface treatment for milled metal parts - such as anodizing aluminum, blackening steels, heat treatments such as nitriding or hardening, as well as mechanical treatments such as engraving, polishing, grinding, etc. Your advantage: You receive everything from a single source and save the cumbersome task of commissioning several service providers.

Production range of FACTUREE

Thanks to our large network of versatile manufacturing partners, we can offer you a wide range of different CNC-machined parts. In general, however, the following specifications should be adhered to:

Milling

  • Max. dimensions: L: 7500mm x W: 3000mm x H: 2200mm
  • Wall thickness: from 0.2mm

Turning

  • Length: 0.5mm - 2500mm 
  • Diameter: 0.5mm – 1000mm
  • Tolerances: ±0.01mm
  • Quantity: starting from 1 pcs.
CNC milling part on technical drawing

What is CNC machining?

The abbreviation CNC stands for Computerized Numerical Control and indicates that the numerical control is carried out via a computer and that even complex workpieces can be manufactured automatically with high precision and in large quantities.

The respective machines are programmed using CAD/CAM software. In CAD (computer-aided design) programs such as SolidWorks, AutoCAD or CATIA, 3D models of the workpieces to be manufactured are created. CAM (computer-aided manufacturing) programs translate this information into code that can be read by CNC machines. 

Note: We always recommend exporting to the step file format (.stp/.step) when designing your parts.  

Since most CNC machines work independently, the personnel costs are comparatively low. As a result, technical components can be manufactured not only more precisely but also faster and more cost-effectively using CNC machining compared to conventional manufacturing processes.

There is now a large number of different CNC machining processes such as CNC turning, CNC milling, CNC laser cutting, CNC water jet cutting or CNC bending. FACTUREE – The Online Manufacturer offers all the aforementioned manufacturing processes while our customers most frequently order the production of parts based on drawings using subtractive manufacturing processes

Subtractive manufacturing

Subtractive manufacturing describes a group of manufacturing processes in which excess material in the form of chips is removed from a blank until the workpiece reaches the desired shape. This is different to 3D printing, for example, which is a typical example for an additive manufacturing process.

A basic distinction is made between machining techniques with geometrically undefined cutting edges, where the number and geometry of the cutting edges can only be described statistically (e.g. grinding with abrasive grains as cutting edge) and machining techniques with geometrically defined cutting edges. Two of the most common processes in this subgroup are milling and turning.

CNC turning

CNC turning is a manufacturing process in which the workpiece to be machined rotates around its own axis at high speed while a fixed cutting tool is held against the workpiece. This tool removes material evenly through feed movements until the body has the desired shape. This way bodies with rotational symmetry can be generated by fast and precisely.

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CNC turning on a CNC lathe
CNC-Fräsen mit Kühlmitteleinspritzung

CNC milling

CNC milling too is a machining manufacturing process in which material in the form of chips is removed from a body. In contrast to CNC turning, the workpiece does not rotate quickly around its own axis, but the milling tool that usually has several cutting edges moves to process it. The chipping of the raw piece is carried out either by driving the milling head across its surface or by moving the body itself along a static tool.

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Applications of CNC manufacturing

Prototype and small batch production

CNC machining is used in particular in prototype production and in the production of small series. The set-up costs are comparatively low compared to the production of cast parts, since no individual molds have to be produced. Series production using CNC machining is also possible, especially simple turning parts can often be produced efficiently and cost-effectively in large quantities. At FACTUREE you can have prototypes and small series produced within 9-12 working days. We can also provide offers for the CNC machining of large series.

CNC contract manufacturing

In CNC contract manufacturing , companies outsource CNC manufacturing processes to an external service provider, a contract manufacturer. The attractiveness of contract manufacturing lies in the fact that the company does not have to maintain and service its own machinery to manufacture the required components, which is associated with very high fixed costs. However, a disadvantage of contract manufacturing is the dependence on available capacities of the respective manufacturing company. This can pose great difficulties for companies with urgent projects. When cooperating with many different manufacturing companies, supplier management (e.g. onboarding processes and continuous quality control) can also be very extensive and permanently tie up certain resources in the company permanently.

Machining mechanic in front of CNC machine

A special form of CNC contract manufacturing is Online Manufacturing at FACTUREE. Here you benefit from our large network of manufacturing partners, in addition to the advantages of conventional contract manufacturing, from always free capacities, short delivery times and a broad manufacturing range. Here you can also obtain very different and complicated parts from a single source.

Materials suitable for CNC machining

The material groups most frequently used in CNC machining are metals and plastics, each of which has its own special features to consider when machining. However, other materials such as wood, ceramic (MACOR®) or stone can also be machined using CNC machines.

CNC machining of metal

Steels, stainless steels, aluminum alloys as well as copper, brass, bronze and titanium are the metals most frequently requested for the manufacturing of CNC parts. At FACTUREE you can choose from more than 50 different steels and numerous aluminum alloys. In metal processing, robust production machines are used which are able to produce CNC parts in large quantities with high precision. Cooling lubrication is of central importance in the milling of metal parts. As the name suggests, this serves to keep the temperature of the milling cutter as low as possible during production. At the same time, cooling lubrication ensures that edges are machined cleanly and without burrs. Last but not least, the cooling lubrication also transports chips from the working area, so that production can run smoothly and does not have to be interrupted for cleaning.

various stainless steel profiles

CNC machining of plastics

While the hardness of the material is the main challenge for CNC milling in metal processing, factors such as low thermal conductivity are more important in plastics processing. The heat generated during machining can have a strong impact on the material. Therefore, when machining plastics with CNC milling, the heat input must be discharged via the chip. The choice of the correct cutting speed must also be adapted to the respective material.

CNC milling of acrylic glass

The thermoplastics polyetheretherketone (PEEK), polymethyl methacrylate (PMMA or acrylic glass), polyoxymethylene (POM or acetal) and the polymer polytetrafluoroethylene (PTFE, also known under the brand name Teflon) are among the plastics most frequently used in cnc machining. The advantages of these materials over metals are lower weight, resistance to chemicals and good sliding properties. 

In total, you can choose from more than 40 different plastics that are constantly available for CNC manufacturing through FACTUREE. Our material list offers you a detailed overview .

CNC machining with surface finishing

Particularly after the CNC machining of metal parts, a final surface treatment of the workpieces is often useful to protect them against corrosion, wear and premature ageing processes. These surface treatments can be divided into different groups.

Heat treatments

In order for the workpieces to meet the high requirements of durability, material hardness and toughness in subsequent use, heat treatments can be carried out on the CNC machined parts on request. 

  • Hardening methods
  • Nitriding methods
  • etc.

Electroplating

The process of electroplating, an electrolytic process in which the workpiece acts as a cathode, creates a coating on the surface of the component that can act as a corrosion protection.

  • Anodizing
  • Black finishing
  • Galvanizing (zinc plating)
  • etc.

Mechanical finishes

If required, our manufacturing partners carry out further mechanical processing after the machining of the parts to change the surface properties or mark the components.

  • Grinding & polishing
  • Sandblasting & glass bead blasting
  • Engraving
  • etc.
Gravur eines CNC-Teiles

At FACTUREE you can procure CNC parts including surface finishes. This way you save yourself the logistical effort of commissioning several service providers and have only one contractual partner for the entire duration of the manufacturing process.