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| No. | Item | Parameter | |
| 1 | Size of workpiece（diameter×height） | Max￠180×500mm | |
| 2 | Productivity（example for φ300mm） | 20s/piece（each lifting weight 80Kg） | |
| 3 | Big turntable | Diameter：Ø1600mm step time 0.5-15min(adjustable) | |
| 4 | Little turntable | Diameter：Φ300mmspeed 3r/min quantity：8 | |
| 5 | Strengthen requirement | Specimen arc height0.35A-0.5ACoverage≥180% Tooth portion is not less than the effective area200% | |
| 6 | Abrasive | 0.6-1.5 (steel pill) | |
| 7 | Noise level | ≤93dB suit GBJ87-85standard | |
| 8 | Emissions | ≤80 mg/m3 suits GBJ4-73 standard | |
| 9 | Dedusting system (filter cleaning) | Total wind：7800 m3/h | |
| 10 | Gravity sedimentation system | Settlement may be 0.2-0.5 tiny projectile to prevent Shot by fan sucked out waste | |
| 11 | 130 Frequency shot blasting (High Speed Powerful Shot) | Quantity×power×shot amount：2×18.5kW×300 kg/min | |
| 12 | Gas control valve for pills | Max pellts amounts：450kg/min | |
| 13 | Circulatory system(elevate,separate,convey) | Projectile circulation amount：45t/h | |
| 14 | Power consume | Total power | About 70kW (Specific power to meet the requirements shall prevail) |
| Total consumption of compressed air | 0.6 m3/min（equipped with cartridge dust and gas control valve） | ||
| 15 | Electrical Control System PLC control | PLC control, inverter, electric control boxes, testing organizations, cable wires, current meter, bridge and other components. | |
Other requirements(gear)：
| No. | Item | Requirements | Remark |
| 1 | Workpiece specification | Pinion：L200-500mm、Φ30-100m Dial teeth：L20-70mm、Φ50-250mm | |
| 2 | Pellt specification | CW23，0.6mm | |
| 3 | Hardness | 52-55HRC | |
| 4 | Pellet hardness uniformity | 3HRC | |
| 5 | Materil of Components | 20CrMnTiH/20CrMoH | |
| 6 | Hardness of Components | 58-64HRC | |
| 7 | Depth of Components | 0.5-0.8mm/0.6-1.0mm | |
| 8 | Part roughness | Ra1.6 | |
| 9 | Surface residual compressive stress | ≥450Mpa | |
| 10 | 0.02mm Compressive strength | ≥800Mpa | |
| 11 | 0.05mm Compressive strength | ≥900Mpa | |
| 12 | Coverage | ≥200% | |
| 13 | Beat | 0.5-1.5min | |
| 14 | Noise | lower than 93db（suit GBJ87-85 standard） | |
| 15 | Dust emissions | Surround 1meter≤5mg/m3 | |
| 16 | Arc height | 0.35-0.5A | |
| 17 | Shot winnowing | 0.2~0.5 Shot settlement can reduce waste. | |
| 18 | Screen Shot | It can separate large, medium and small three Shot rotary vibration sieve, sieve can be replaced according to the size of steel shot. | |
| 19 | Abrasive Flow | Regulation, directly or indirectly reflect the relative size of the flow of steel shot. | |
| 20 | Speed | Stepless, directly reflect the size. | |
| 21 | Count | PLC control, large turntable step count. |
The main technical requirements for equipment (FAW Forging provided)
The main technical parameters
3.1 Forgings
3.1 Forgings
3.1.1 Forging Material: C70S6
3.1.2 Forging Weight: Maximum 7.2kg, 0.5kg minimum
3.1.3 Forging Length: maximum 400mm, minimum 190mm; forging width: maximum 165mm, minimum 75mm; forging thickness: Maximum 65mm, 20mm minimum
3.1.4 Forgings Hardness: HRC29.5-33.5
3.1.5 Required blasting forgings diagram (link), see Figure 1 and Figure 2.
3.2 Main technical requirements
3.2.1 Device requires no bump injury during cleaning.
3.2.2 Cleanup Quality: achieve smooth surface, each side forging no scale, no dead ends, silver gray.
3.2.3 Surface coverage to reach 200%.
3.2.4 Shot strength of surface residual stress ≥350Mpa, Almen test strip A2≥0.3A. The test position as shown in FIG.
3.2.5 Surface roughness: Ra30 ~ 70μm
3.2.6 Projectile projectile velocity ≥85m / s
3.2.7 Surface cleanliness: GB8923-88 (ISO8501-1,88) A-BSa2.5 level.
3.2.8 Production capacity: 450 / hour, 3-shift production.
3.2.9 Shot automatically add devices to be equipped with the system, install the level meter, more than two devices can voice alarm.
3.2.10 Shot blasting cleaning chamber and the layout have to undergo three-dimensional dynamic simulation projectile determined to ensure full coverage of the workpiece in the effective projectile band. Reasonable design requirements, to ensure that no dead ends forging uniform blasting effect.
3.2.11 Cleanup wire cutting pills and steel balls, steel balls and cutting pills in diameter within the range of 0.6 to 1.2 mm.
3.2.12 Precipitator better results, in line with a national dust discharge standard.
Dust removal equipment requirements and professional equipment manufacturers to cooperate. Blasting equipment when working in the workshop dust concentration meet GBZ2-2002 "workplace occupational exposure limit harmful factors" in the relevant requirements. After the dust emission concentration is not higher than 8mg / m3 (meet GB), the concentration of dust around the device is less than 2mg / m3, equipment noise <85dB.
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