Q034 Shot Blaster | 300kg Automatic Loading/Unloading Tracked Shot Blasting Machine | Surface Descaling & Sand Removal System for Small-to-Medium Castings and Forgings

1. Product Overview

This WDL-Q326 tracked shot blasting machine uses a shot blaster to throw high-speed shot onto workpieces continuously tumbling on the track, achieving cleaning purposes. Equipped with automatic loading mechanism and pulse cartridge dust collector, it is suitable for surface cleaning of small-to-medium castings, forgings, stampings, gears, springs, and other workpieces – removing sand, rust, oxide scale, and burrs. Typical applications include machine tool factories, automobile factories, textile machinery factories, and heat treatment workshop batch cleaning production lines.

2. Industry Challenges & Root Cause Analysis

Difficult to balance cleaning efficiency and quality:Traditional manual or simple cleaning methods are inefficient – uneven removal of oxide scale and residual sand. Root cause: insufficient shot blasting velocity and coverage – inadequate workpiece tumbling.

Rapid track wear and frequent replacement:Rubber tracks wear severely under high-speed shot impact – high replacement and maintenance costs. Root cause: insufficient impact resistance of track plate material and structural design.

Dust emissions non-compliant:Large volumes of dust-laden exhaust gas generated – traditional bag filters have low filtration precision and exceed emission limits. Root cause: large filter media pore size and outdated cleaning methods – unable to capture fine particles.

High labor intensity for manual loading/unloading:Workpiece handling relies on manual labor – high intensity with safety risks. Root cause: lack of automatic feeding and discharge conveyor systems.

Frequent wear part replacement and high maintenance costs:Blades, shot distribution wheels, directional sleeves have short service lives – extended downtime. Root cause: insufficient shot blaster structural design and heat treatment process.

3. Solution

3.1 High-Efficiency Double-Blade Shot Blaster:Q034 double-blade shot blaster – cantilevered main shaft – dovetail fixed clamping (blade replacement only 5-6 minutes). Special outer-thicker/inner-thinner blade structure with dedicated heat treatment – blade life ＞500 hours – distribution wheel/directional sleeve/guard plate life ＞600 hours – impeller life ＞4000 hours. Shot velocity 65-70m/s – blasting volume 200kg/min – cleaning efficiency increased ~100% over traditional models – noise reduced 6-7dB – 30% energy savings.

3.2 Wear-Resistant Rubber Track Structure:Specially made wear-resistant rubber track plates – greatly extended service life – reduced replacement frequency and maintenance costs. Chain-driven track – end plate diameter φ650mm – track linear velocity 5-6m/min – workpieces continuously and evenly tumble for uniform shot coverage.

3.3 Three-Stage Separator:BE-type curtain separator with three-stage separation function (pure shot, mixed shot, shot-dust mixture). After separation – sand content in pure shot ＜1% – qualified shot in waste ＜1% – ensures shot purity.

3.4 Pulse Cartridge Dust Collector:PSU membrane polyester filter cartridges (filtration accuracy 5μm) – filtration area 30-40 times traditional bags – dust removal efficiency ≥99% – emission concentration far below national GBJ4 industrial emission standards. Automatic pulse reverse cleaning + offline cleaning ensures excellent cartridge regeneration performance.

3.5 Automatic Loading/Unloading System:1T chain hoist (max load 300kg) – feeding mechanism includes support frame, tilting frame, hopper, chain hoist, drum, and drive. Workpieces loaded into hopper – automatically lifted, tilted, and poured into cleaning chamber – after cleaning, automatically discharged via unloading conveyor (1.5kW) – single operator can manage multiple machines.

3.6 Pneumatic Front Door with Safety Interlock:Cylinder-driven opening/closing – rollers smoothly guide along track grooves. Labyrinth door structure prevents shot leakage – safety pin prevents door falling – maintenance door safety interlock ensures shot blaster only starts after door closed.

4. Technical Specifications

5. Selection Guide

5.1 Recommended Scenarios

• Batch surface cleaning of small-to-medium castings, forgings, stampings

• Removal of oxide scale and burrs from gears, springs after heat treatment

• Cleaning stations requiring automatic loading/unloading and reduced labor intensity

5.2 Key Selection Considerations

1. Workpiece size and weight: Verify batch load ≤200kg

2. Cleaning efficiency: Shot blasting volume 200kg/min – calculate against daily output

3. Dust emission requirements: Pulse cartridge filter efficiency ≥99% – meets national standards

4. Site conditions: Space for dust collector and exhaust duct installation required

5. Air supply: Front door pneumatic operation requires 0.5-0.7MPa compressed air

6. FAQ

Q1: What is the blade service life?

A: Q034 double-blade shot blaster with outer-thicker/inner-thinner structure and specialized heat treatment – blade life ＞500 hours – distribution wheel/directional sleeve/guard plate ＞600 hours – impeller ＞4000 hours. Blade replacement only 5-6 minutes – convenient maintenance.

Q2: Does the dust collection system meet environmental requirements?

A: Pulse cartridge dust collector (PSU membrane polyester filter cartridges, 5μm filtration accuracy) – efficiency ≥99% – emissions far below national GBJ4 standards. Automatic pulse reverse cleaning + offline cleaning – long-term high efficiency.

Q3: How are workpieces loaded and unloaded?

A: Workpieces loaded into feeder hopper – automatically lifted and tilted into cleaning chamber. After cleaning, track reverses and discharge conveyor (1.5kW) automatically removes workpieces – no manual entry into cleaning chamber – semi-automated operation.

Q4: Does the machine need adjustment for different workpiece sizes?

A: Applicable range batch load ≤200kg. No parameter adjustment needed for different workpieces within range – direct loading and cleaning. Continuous tumbling ensures uniform shot impact on all shapes.

Q5: How is shot purity ensured?

A: BE-type three-stage separator – pure shot, mixed shot, and shot-dust mixture enter different channels. After separation – sand content in pure shot ＜1% – qualified shot in waste ＜1% – ensures clean circulating shot, protecting blaster impeller and blades.