Shot blasting application

Shot peening & stress relief

Shot peening is a controlled shot blasting machine process: the same impact that cleans steel can also put a compressive layer into springs, gears and highly loaded parts.

  • Shot blasting machine
  • Application-led sizing
  • Manufacturer-direct
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What this application is

Shot peening & stress relief with a shot blasting machine

Shot peening and stress relief use a shot blasting machine with tightly controlled media, intensity and coverage to induce compressive residual stress in the surface of a component.

Unlike cleaning, the aim is not to strip scale. It is to improve fatigue life, resistance to cracking and surface integrity on springs, gears, shafts and other parts that see cyclic load.

Intensity (Almen), coverage and shot size are specified. Table, hanger and dedicated peening setups are used when the drawing calls for peening rather than a general blast.

  • Longer fatigue life
  • Documented process
  • Critical-part confidence

Why it matters

How this application is useful

A shot blasting machine earns its place on the line when this process cuts rework, hits a spec, or replaces slow manual prep.

Longer fatigue life

Compressive stress at the surface delays crack start on cyclically loaded parts.

Documented process

Almen strips and coverage checks turn peening into a repeatable production step, not a visual blast.

Critical-part confidence

Springs, gears and highly loaded components can be processed to a written spec.

Cleaning plus peening options

Some lines clean first, then peen, with a media change on related blasting equipment.

After heat treatment

Peening restores surface integrity on parts that come out of quench and temper.

Less crack risk at notches

Compressive stress is most useful at fillets, holes and other stress raisers.

Recommended equipment

Machines and media used for this application

Shot, sand and grit blasting equipment, plus media and support systems commonly specified for shot peening & stress relief. Final selection depends on part size, finish and daily volume.

Ready in stock Cut Wire Shot
4.8 45 reviews

Cut Wire Shot

Price range ₹100 - 500 / kg
  • Metrial Cut Wire Shot
  • Shape Round Cut
  • Hardness 45 - 62 HRC
  • Size 0.6 - 2.5 MM
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Ready in stock Sand Blasting Cabinet
4.7 41 reviews

Sand Blasting Cabinet

Price range ₹1.50Lakh - 3.50Lakh
  • Material Mild Steel
  • Machine Type Pressure, Suction & Wet blasting cabinet
  • Grade Automatic, Manual
  • Usage Surface Cleaning and abrasive media recovery system
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Ready in stock Shot Blasting Machine
4.6 26 reviews

Shot Blasting Machine

Price range ₹40K - 5Lakh
  • Brand Micro Blaster
  • Grade Automatic, Semi-Automatic, Manual
  • Machine Type Portable & Cabinet
  • Compressed air (80 psi) 17 Cfm to 217 Cfm
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Ready in stock Steel Shots
4.8 37 reviews

Steel Shots

Price range ₹65 /Kg - 100 /Kg
  • Material Steel Shots
  • Hardness 40 - 51 HRC
  • Specific Weight approx 7.5 kg/cm3
  • Grain Size S70 - S1110
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Ready in stock Table Type Shot Blasting Machine
4.8 30 reviews

Table Type Shot Blasting Machine

Price range ₹4Lakh - 80Lakh
  • Dia of swing table 750 mm - 1200 mm
  • Type of dust collector Fabric bag dust collector /Reverse pulse jet pleated filter type dust collector.
  • cleaning of dust bags Motorized shaking\ pulse jet air
  • The approximate shot flow rate 4.5 -9 Tons/Wheel/Hour
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Ready in stock Shot Blasting Wheel
4.9 23 reviews

Shot Blasting Wheel

Price range ₹70K - 4.5Lakh
  • Power Rating 5 HP to 75 HP (commonly 7.5 HP, 15 HP, 30 HP)
  • Wheel Diameter 300 mm to 500 mm
  • Blast Capacity 50 – 700 kg/min (depends on wheel size and power)
  • Blade Count 6 to 8 blades (replaceable type)
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Where it is used

Industries that use this application

Plants specify a shot blasting machine for shot peening & stress relief when the process has to be repeatable, documented and faster than hand prep.

Automotive & springs

Leaf springs, coil springs and suspension parts peened for fatigue performance.

Gear & transmission plants

Gears and shafts specified with a peening call-out after heat treatment.

Heavy equipment OEMs

Highly loaded pins, links and structural details that see cyclic stress.

General engineering

Any drawing that asks for shot peening rather than a cosmetic blast.

Aerospace components

Landing-gear and highly loaded parts peened to a written intensity.

Railway axles & wheels

Rotating parts peened where cyclic load starts cracks at the surface.

Tooling & dies

Dies and tooling peened to delay surface cracking in service.

Energy turbine parts

Blades and discs processed where fatigue life is on the drawing.

Spec consultation

Size a shot blasting machine for shot peening & stress relief

Share component, finish and throughput — we recommend the right shot blasting equipment with a clear quotation.

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