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Where are high-speed steel saw blade milling cutters mainly used

Sources：www.hafc.net.cn | PublishDate：2025.07.29

High speed steel saw blade milling cutter (referred to as high-speed steel milling cutter) is a cutting tool made of high-speed steel (such as W18Cr4V, W6Mo5Cr4V2, etc.), which has high hardness, wear resistance, and toughness, and is suitable for cutting various metal materials. It has a wide range of application scenarios, mainly focused on fields that require milling, cutting, slotting, and other processing of metals, as follows:
1. Cutting and processing of metal materials
One of the core uses of high-speed steel saw blade milling cutters is to cut various metal materials, especially suitable for cutting low and medium carbon steel, alloy steel, non-ferrous metals and other materials. Common scenarios include:
Bar cutting: cutting metal bars such as round steel, square steel, and hexagonal steel to a fixed length, such as preliminary cutting of raw materials in mechanical processing.
Pipe cutting: cutting seamless steel pipes, welded steel pipes, copper pipes, aluminum pipes, etc., widely used in industries such as pipeline manufacturing, automotive parts, furniture metal frames, etc.
Profile cutting: Cutting angle steel, channel steel, I-beams and other profiles for processing steel structures and building metal components.
2. Plane milling and surface processing
High speed steel saw blade milling cutters can be used for flat milling of metal workpieces, removing excess parts from the material surface and obtaining a flat machining surface. They are suitable for:
Flat machining of small and medium-sized parts: such as milling of end faces and step surfaces of mechanical parts, and flat finishing of gear blanks and flanges.
Surface cleaning of castings and forgings: Remove the sprues and oxide scales of castings and forgings to prepare for subsequent precision machining.
3. Groove types and groove processing
By utilizing the thin blade characteristics of high-speed steel saw blade milling cutters, various grooves, slots, or keyways can be machined on metal workpieces, including:
Ordinary groove: Milling rectangular and circular grooves on shaft and disc parts, such as oil groove machining for machine tool guides.
Keyway machining: Milling keyways (such as flat keyways and semi-circular keyways) on the shaft for installing keys is a key process before assembling mechanical transmission parts (such as gears and couplings).
Cutting and slotting processing: milling notches and slotting on plates or profiles, used for splicing or assembly positioning of parts.
4. Mold and tool manufacturing
In the production of molds and tools, high-speed steel saw blade milling cutters are commonly used in machining processes with medium precision requirements:
Mold blank processing: preliminary milling of mold steel (such as Cr12, 45 # steel) to mill out the approximate contour or cavity blank of the mold.
Tool parts processing: When manufacturing tools such as wrenches, fixtures, measuring tools, etc., milling the grooves or mating surfaces of their working parts.
5. General mechanical processing field
In small and medium-sized machining plants, maintenance workshops, and other scenarios, high-speed steel saw blade milling cutters are widely used due to their low cost, easy grinding of the cutting edge, and strong adaptability
Edge trimming and chamfering of parts: Remove burrs and burrs from the edges of the workpiece, or mill chamfers at angles of 45 °, 30 °, etc.
Batch small piece processing: Batch cutting or milling of small standard parts such as bolts, nuts, washers, etc., suitable for use with automated production lines.
6. Processing of non-ferrous metals and non-metallic materials
In addition to black metals, high-speed steel saw blade milling cutters are also suitable for processing non-ferrous metals such as aluminum, copper, zinc, as well as some non-metallic materials:
Aluminum alloy processing: It is widely used in the cutting or slotting of automotive components such as aluminum wheels and engine casings, as well as aluminum materials for doors and windows. Due to the good toughness of high-speed steel, it is not easy to break the blade.
Plastic, wood and other non-metallic materials: Although high-speed steel milling cutters are mainly targeted at metals, they can also be used for cutting or milling grooves on hard plastics, laminates, hardwood and other materials under low-speed cutting conditions (with cooling to avoid overheating).
7. Specialized processing for specific industries
Automobile manufacturing: used for groove machining of engine parts (such as crankshafts and camshafts), cutting and repairing of transmission gears.
Agricultural machinery manufacturing: preliminary milling and cutting of agricultural machinery components such as gears and shafts.
Hardware products: used for slotting or cutting shapes in the production of locks, hardware tools, and metal crafts.

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