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CNC Machining

A few benefits of CNC Machining or milling rapid prototypes: many choices of real production materials, along with good accuracy and durability.

We deliver the benefits of CNC machining at a very competitive price point with lead times of typically 5 to 7 calendar days or less. ABS parts and aluminum parts are the most popular and cost effective solutions for prototyping.

Most CNC machining or prototypes only requires 3 axis milling or turning. In some instances, where the part size is large, stock sizes are insufficient or complexity prohibit accessibility, it is necessary to combine machining with fabrication. In these instances, parts are assembled and dressed so no apparent indication of fabrication is visible.

Minimum CNC Feature Size
This is a function of geometry as it is also related to cutter reach and feature location. Preferably the smallest cutters used would be 1 mm, leaving a 0.5mm internal radius. However 0.2 mm cutters can be used if required.

Bed Sizes
Bed sizes up to 1900mm x 900mm x 700mm are readily available with access to larger machines as required.

Finish
The parts may be supplied in a natural state, it is more common to supply parts dressed and primed ready for a final painted topcoat, or fully finished with texture/gloss finish.

Samples

CNC Machined Parts

Available Threads, Inserts, Helicoils

Download Pdf

Materials

The following list includes typical properties but not guarenteed material properties due to subtle supplier variances. We can custom order materials not listed below also. If your desired material is not listed please email us at quote@quicksilver-mfg.com with questions.
CNC Materials – Metals Material Cost Max Thickness Remarks
Aluminum – Gray (Aluminum 2024-T3/T4) Soft metal High 150 mm The cost depends on the thickness
Aluminum – Gray (Aluminum 5052) Soft metal Low 50 mm
Aluminum – Gray (Aluminum 6061-T651) Soft metal Low 300 mm
Aluminum – Gray (Aluminum 7075-T651) Soft metal High 300 mm
Brass – Yellow (Brass 360) Soft metal High 100 mm
Bronze – Gray (Lithium bronze) Soft metal High 20 mm From 20 to 100, we need to custom the material.
Bronze – Gray (beryllium bronze) Soft metal Very High 120 mm
Copper – Red (Copper C101) Soft metal Very High 100 mm Over 100 mm, we need to custom the material
Magnesium – Gray (Magnesium AZ31) Soft metal Very High 200 mm
Titanium-TI6AL4 Hard metal Very High 15 mm Over 15 mm, we need to custom the material
Stainless Steel – Gray (Stainless Steel 201) Hard metal Low 65 mm
Stainless Steel – Gray (Stainless Steel 303/303S) Hard metal Low 65 mm Only Rod Material
Stainless Steel – Gray (Stainless Steel 304/304L) Hard metal Very High 65 mm
Stainless Steel – Gray (Stainless Steel 316/316L) Hard metal Very High 65 mm
Stainless Steel – Gray (Stainless Steel 17-4PH) Hard metal Very High 100 mm We can customize the material. The max of the custom material can be reached to 300 to 400 mm.
Steel Alloy – Gray (Steel Alloy 1018) Hard metal Low 100 mm
Steel Alloy – Gray (Steel Alloy 4043) Hard metal Low 100 mm
Steel Alloy – Gray (Steel Alloy 4130) Hard metal Low 100 mm
Steel Alloy – Gray (Steel Alloy 4140) Hard metal Low 100 mm
Steel Alloy – Gray (Steel Alloy 8620) Hard metal Low 100 mm
Tool Steel-Gray(A2 Tool Steel) Hard metal High 100 mm
Tool Steel-Gray(D2 Tool Steel) Hard metal High 100 mm
CNC Materials – Plastics Material Cost Max Thickness
ABS – Black (ABS) Plastic Low 100 mm
ABS – Natural (ABS) Plastic Low 200 mm
PC+ABS – Black Plastic High 100 mm
ABS-Flame Retardant – Black (ABS-FR) Plastic High 100 mm
Acetal 20% Glass Filled – Natural (Delrin 570) Plastic Very High 100 mm
Acetal Copolymer – White (Acetal Copolymer) Plastic Medium 180 mm
Acetal Homopolymer – Black (Delrin 150) Plastic Medium 180 mm
Acetal Homopolymer – Natural (White) (Delrin 150) Plastic Medium 100 mm
Acetal Static Dissipative – Tan (Tecaform SD) Plastic Very High 50  mm
CPVC – Gray (CPVC) Plastic Medium 100 mm
HDPE – Natural (White) (High Density Polyethylene) Plastic Medium 200 mm
LDPE – Natural (Low Density Polyethylene) Plastic Medium 100 mm
Nylon 6 – Black (Nylon 6) Plastic Medium 150 mm
Nylon 6 – Light Blue (Nylon 6 ) Plastic Medium 100 mm
Nylon 6/6 – Black (Nylon 6/6) Plastic Medium 100 mm
Nylon 6/6 – Natural (Nylon 6/6) Plastic Medium 200 mm
Nylon 6/6 15%GF – Natural (Nylon 6/6 15%GF) Plastic Medium 100 mm
Nylon 6/6 30%GF – Natural (Nylon 6/6 30%GF) Plastic Very High 100 mm
PC – Black (Polycarbonate) Plastic High 100 mm
PC – Clear (Polycarbonate) Plastic Medium 100 mm
PC 20% GF – Black (Polycarbonate 20% GF) Plastic Very High 100 mm
PEEK – Natural (PEEK) Plastic Very High 100 mm
PEI – Natural (Ultem 1000) Plastic Very High 100 mm
PEI – Black (Ultem 1000) Plastic Very High 100 mm
PEI 30% GF – Natural (Ultem 30% GF 2300) Plastic Very High 100 mm
PET – Natural (White) (Polyethylene Terephthalate) Plastic High 100 mm
PMMA – Clear (Acrylic) Plastic Medium 200 mm
PP Homopolymer – Black (Polypropylene Homopoly) Plastic Low 100 mm
PP Homopolymer – Natural (Polypropylene Homopoly) Plastic Low 150 mm
PP Copolymer – Natural (Polypropylene Copoly) Plastic Low 200 mm
PPE + PS – Black (Noryl 265) Plastic High 50 mm
PPSU – Black (Radel R 5500) Plastic Very High 100 mm
PS (HIPS) – White (Polystyrene) Plastic Very High 100 mm
PSU – Natural (Polysulfone) Plastic Very High 100 mm
PTFE – White (Teflon) Plastic Very High 100 mm
PVC – Gray (PVC) Plastic Low 100 mm
UHMW – Natural (UHMW) Plastic Medium 200 mm
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