Plastic Sawing Machining Guidelines

Cut plastic materials using multi-axis CNC saws or manual circular or band saw blades

Plastic Sawing Machining Guidelines (at Curbell Plastics)Sawing Guidelines

Sawing is a common method for machining plastic parts. Plastics may be cut using multi-axis CNC saws or manual circular or band saw blades. Below are guidelines for sawing several performance plastics.

Thick-walled parts should be sawed with relatively thin blades to avoid excessive frictional heat generation. Well-sharpened, strongly offset saw blades are recommended. Specially designed blades are available to optimize cutting for many plastic materials including nylon and acrylic.

See our Plastic Machining Guidelines for more information. Need help drilling plastic? Ask a Plastics Expert.


Special Measures:   Preheat material to 250°F    Caution when using coolants, susceptible to stress cracking    Use carbide-tipped tools

Heat before sawing: From 2.25" - PEEK, PPS | From 3.25" - PET, PBT | From 4.00" - Nylon 6

sawing machining guidelines


Material
α

Clearance
Angle (°)
ϒ

Rake
Angle (°) 
V

Cutting
Speed (ft/min)
t

Pitch (in)
ABS 15 - 30 0 - 5 980 0.078 - 0.315
Acetal (copolymer) 20 - 30 0 - 5 1640 - 2600 0.078 - 0.197
Acetal (homopolymer) 20 - 30 0 - 5 1640 - 2600 0.078 - 0.197
Noryl 15 - 30 5 - 8 980 0.118 - 0.315
Nylon 6 20 - 30 2 - 5 1640 0.118 - 0.315
PAI 5 - 10 0 - 3 2600 - 2950 0.118 - 0.50
PBT 15 - 30 5 - 8 980 0.118 - 0.315
PEEK 15 - 30 0 - 5 1640 - 2600 0.118 - 0.197
PET 15 - 30 5 - 8 980 0.118 - 0.315
Polycarbonate 15 - 30 5 - 8 980 0.118 - 0.315
Polyethylene 20 - 30 2 - 5 1640 0.118 - 0.315
Polyproylene (homopolymer) 20 - 30 2 - 5 1640 0.118 - 0.315
Polysulfone 15 - 30 0 - 4 1640 0.078 - 0.197
PPS 15 - 30 0 - 5 1640 - 2600 0.118 - 0.197
PTFE 20 - 30 5 - 8 980 0.078 - 0.197
PVDF 20 - 30 5 - 8 980 0.078 - 0.197
PPSU (Radel® R) 15 - 30 0 - 4 1640 0.078 - 0.197
Ultem® 15 - 30 0 - 4 1640 0.078 - 0.197
DuPont™ Vespel® Polyimide 5 - 10 0 - 3 2600 - 2950 0.100