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Stationary Shear Blade
Product Details- Stationary shear blade Popular dimensions of Stationary shear blade: (mm) How to make the Stationary shear blade？ Advantages of Stationary shear blade
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Stationary Shear Blade for Scrap Steel Cutting
On a scrap line, the stationary shear does the hard, slow work that everything else depends on. It cuts beams, plate, profiles and bundled scrap down to charging length. When the stationary shear blade starts to move, every mistake in design shows up as edge chipping, broken corners or twisted cut ends.
SHJ KNIFE focuses on stationary shear blades for steel and iron scrap. We build knives that match your shear frame, your section sizes and your maintenance habits, so you get stable cut quality instead of constant surprises at the shear.
Role of Stationary Shear Blades
A stationary shear sits at the heavy end of scrap processing. The ram pushes steel across a fixed stationary shear blade, and the entire force of the cylinder runs through that edge. In real work this means:
- Cutting H-beams, channels, angles and tubes
- Squaring off plate and flame-cut parts
- Shortening bundles or stacked profiles before chargin
Because of the forces involved, stationary shear blades need more support and more body strength than most other scrap knives. If the knife flexes or the seat is not true, you pay for it in broken edges, damaged holders and downtime.
Stationary Shear Blades Manufacturer
Design for Heavy Scrap Sections
We start each stationary shear blade design with the sections you cut most often and the force your shear delivers. From there we adjust the knife geometry instead of using one pattern for every plant. Typical design points include:
- Body cross-section – thickness and width sized to your shear, so the blade stays flat instead of bowing under load
- Edge form – clear but supported relief angles that give a positive cut, yet still protect the edge when scrap shifts or stacks unevenly
- Contact faces – accurate seating faces and bolt patterns so the knife pulls down tight and shares load across the holder
This approach keeps the cutting line straight and helps your stationary shear knife survive heavy sections without sudden cracks.
Blade Steel Options
Different scrap mixes call for different steels. For stationary shear knives, we choose grades that balance abrasion resistance with impact toughness. Common options include:
- D2 / Cr12Mo1V1 stationary shear blades for steady, abrasive work on beams, plate and cleaner structural scrap
- Alloy tool steel stationary shear blades for more variable scrap or higher impact, where toughness at the core matters more than extreme hardness
We set hardness ranges to fit your scrap. If your material includes welds, torch cuts and unknown inclusions, we keep enough toughness in the body so the knife can take the hit and keep working.
Fit, Tolerances and Safety
Stationary shear knives run in a high-energy, high-risk station. Small tolerance errors can turn into big problems.
SHJ KNIFE controls:
- Flatness and parallelism so both cutting edges share load correctly
- Hole positions and keyways so the blade locates repeatably on your shear holder
- Edge straightness so you get uniform cut sections and smoother stacking
Good stationary scrap shear blades do more than cut. They help protect the frame, the cylinder and the guides by keeping forces predictable and aligned.
OEM Replacement & Customization
You may run a standard shear model or an older, modified machine. In both cases you still need reliable replacement stationary shear blades. We support you in three ways:
- OEM-style stationary shear blades based on known machine types and size ranges
- Custom stationary shear knives made from your drawings or CAD files
- Sample-based replacement where we copy and refine the knife you already use
Once we confirm a spec on your shear, we keep it on file. Future orders follow the same geometry, steel grade and hardness, so your team can swap blades without re-measuring every time.
Any machine or brand names you provide serve only to confirm compatibility. All trademarks remain with their respective owners.
FAQ on Stationary Shear Blades
Q1. What scrap is a stationary shear blade best for?
A stationary shear blade works best on heavy steel scrap: beams, channels, angles, thick plate, billets and dense bundles. It shortens these sections so you can charge the furnace or feed downstream stations safely.
Q2. How do I know if my blade design is strong enough?
Watch for symptoms: corners cracking, edges chipping along welds, or cut pieces showing a strong bend at one side. These signs usually mean the body is too light, the edge support is weak or the seating faces are not flat. In that case we review your scrap sizes and rework the blade geometry.
Q3. Which steel should I choose for stationary shear knives?
For predictable structural scrap with high abrasion, D2-type stationary shear blades often work well. For more severe impact and unknown scrap quality, we move toward tougher alloy tool steels. The best choice always comes from your real scrap mix and failure history, not from a generic chart.
Q4. Can you match an existing stationary shear blade from a sample only?
Yes. You can send a used stationary shear blade from your shear. We measure all critical dimensions, check the steel type and study the wear pattern, then supply a compatible replacement. If needed, we adjust the design to improve service life or edge stability.
Q5. Do you support small trial batches?
We usually start with a trial set on one shear or one position. Once you confirm performance on your scrap, we can set up a regular supply plan for stationary shear knives with agreed quantities and lead times that match your maintenance schedule.
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