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Cutting Teeth/Picks Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

Cutting teeth, also known as picks or bits, are precision-engineered cutting components designed for attachment to rotating cutter heads in industrial equipment. These components feature hardened cutting edges or tips that engage with workpieces to perform cutting, milling, drilling, or material removal operations through mechanical shearing, abrasion, or impact mechanisms. They are critical wear parts in continuous material processing systems.

Working Principle

Cutting teeth/picks operate on the principle of concentrated force application through hardened cutting edges or tips. When mounted on a rotating cutter head, they engage with the workpiece material, creating localized stress concentrations that exceed the material's shear strength. This causes material separation through shearing, chipping, or fracturing. The geometry, material composition, and mounting angle determine cutting efficiency, chip formation, and tool life.

Materials

Tungsten carbide tips brazed to alloy steel shanks (most common), polycrystalline diamond (PCD) tips for abrasive materials, ceramic composites for high-temperature applications, hardened tool steel for general purpose cutting. Shank materials typically include 42CrMo, 35CrMo, or similar alloy steels with heat treatment to 40-45 HRC.

Technical Parameters

Tip Diameter 10-50 mm
Cutting Angle 35-55 degrees
Mounting Type Threaded, press-fit, or block-mounted
Hardness (Tip) HRA 88-92 (carbide)
Overall Length 80-200 mm
Shank Diameter 20-60 mm
Working Temperature -20°C to 600°C

Standards

ISO 1832, DIN 4981, ISO 513, DIN 8035

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cutting Teeth/Picks.

Parent Products

This component is used in the following industrial products

Cutter Head

The rotating cutting assembly at the front of a foundation drilling machine that excavates soil and rock.

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Milling Drum

Rotating cylindrical component equipped with cutting tools that mills and pulverizes road surfaces during recycling operations.

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Engineering Analysis

Risks & Mitigation

Premature wear from improper material selection
Catastrophic failure from fatigue cracking
Reduced cutting efficiency from improper mounting
Workpiece damage from worn teeth
Machine vibration from unbalanced cutter head

FMEA Triads

Trigger: Excessive wear on cutting tip
Failure: Reduced cutting efficiency, increased power consumption
Mitigation: Regular inspection, proper material selection, optimal cutting parameters

Trigger: Fatigue cracking in shank
Failure: Tooth breakage, machine damage, safety hazard
Mitigation: Proper heat treatment, stress relief design, regular replacement

Trigger: Improper mounting torque
Failure: Tooth loosening, uneven wear, imbalance
Mitigation: Torque-controlled installation, locking mechanisms, regular tightening checks

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.1 mm on critical dimensions, ±0.5° on cutting angles

Test Method

ISO 1832 for dimensional verification, ISO 513 for application group classification, hardness testing per ISO 6508, impact testing per ISO 148-1

Buyer Feedback

★★★★☆ 4.6 / 5.0 (30 reviews)

"The technical documentation for this Cutting Teeth/Picks is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Cutting Teeth/Picks so far."

"Testing the Cutting Teeth/Picks now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What is the typical service life of cutting teeth/picks?

Service life varies from 50-500 operating hours depending on material hardness, cutting conditions, and tooth quality. Tungsten carbide teeth typically last 100-300 hours in medium-hard materials.

How often should cutting teeth be replaced?

Replace when wear exceeds 30% of original tip dimensions or when cutting efficiency drops by 20%. Regular inspection every 8-24 operating hours is recommended.

Can different brand cutting teeth be mixed on the same cutter head?

Not recommended. Mixing brands can cause imbalance, uneven wear, and reduced cutting efficiency due to dimensional and material variations.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Cutting Teeth/Picks