I. Product Description
Thick titanium plate cut strips are machined components produced by cutting thick titanium plates (typically referring to titanium and titanium alloy plates with a thickness ≥4mm, such as GR1/GR2 pure titanium, GR5/GR12 titanium alloys, etc.) into strip form. These strips undergo further precision machining prior to use and are employed in the construction of equipment and components.
II. Key Process Considerations
1. Process Selection Principles
Ultra-thick plates (>50mm), high precision without deformation: Prioritize high-pressure waterjet cutting.
Medium-thick plates (4-50mm), batch straight strips: Carbide band saw (balances efficiency and cost).
Medium-thin plates (≤12mm), complex strips / high precision: Laser cutting.
2. Saw Blade / Tool Selection (Band Saws Preferred)
Material: Fine-grain carbide for wear resistance and high-temperature tolerance.
Specifications: Thickness 0.9-1.2mm, width matching saw machine, tooth count 24T-32T (titanium alloy specific).
Coating: Optional TiN/TiAlN coating reduces friction and temperature, extending service life.
3. Parameter Control
Band Saw: Reduce line speed to 1/3 of standard steel (15-25m/min), increase feed rate to prevent work hardening, use dual-motor brushes for forced chip removal.
Waterjet Cutting: Pressure 380-420MPa, abrasive (garnet) grit size 80-120 mesh. Cutting speed decreases with thickness (e.g., 50mm thickness: approx. 50-80mm/min).
Laser: Power 2-4kW, cutting speed 4-8m/min, argon/nitrogen shielding, focal point 0.5-1mm above plate surface.
4. Quality and Safety
Clean oil and scale from plate surface before cutting to prevent impurities affecting the cut edge.
Titanium oxidizes readily; thermal cutting (laser/plasma) requires inert gas shielding, while cold cutting (waterjet) avoids this issue.
Deburr and grind post-cut edges; acid-pickle to remove oxide layers if necessary, ensuring no cracks or flash on strip edges.
III. Applications
Aerospace:GR5 titanium alloy bars are used for airframe structures and landing gear components.
Chemical Equipment: GR2 pure titanium bars are fabricated into corrosion-resistant pipelines and reactor vessel linings.
Medical Field: High-precision titanium bars are employed for implants and surgical instrument components.
Offshore Engineering: Seawater-resistant titanium bars are utilized for ship components and offshore platform fittings.
IV. Key Processing Points
1. Specify material (pure titanium/alloy), thickness, strip width/length, tolerances, and surface requirements. Provide drawings or samples.
2. For ultra-thick plate cutting, prioritize manufacturers with high-pressure waterjet equipment. For batch straight strips, band saw processing is more economical.
3. During inspection, verify dimensional tolerances, cut edge flatness, and absence of oxidation or cracks. Conduct mechanical property sampling tests when necessary.
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