Q7-2 Multi-Gear Manual Powder Rotary Cup Spray Gun

  Product Features  

1. Vibrating Sieve Fast Color Change System – Efficient Multi-Color Switching

The Q7-2 abandons the traditional powder hopper design and is equipped with a customized vibrating sieve fast color change system, enabling rapid powder replacement and clean powder feeding.

This vibrating sieve offers two major advantages:

• High efficiency in color change: A complete color change process takes only 3–5 minutes, improving efficiency by over 60% compared with conventional powder hoppers. It effectively solves the common issues of long downtime and complex procedures in small-batch, multi-color production.
• Clean and anti-color contamination: The sieve integrates high-precision filtration and residual powder cleaning structures, effectively removing remaining powder inside the gun body and hoses. The color contamination rate is controlled within 0.1%, ensuring coating color purity without the need for additional disassembly and cleaning.
• The vibrating sieve connects to the gun body via a quick-plug sealed interface, offering convenient operation, strong sealing performance, and preventing powder leakage and workplace contamination—ideal for mobile on-site coating applications.

2. Multi-Gear Adjustment + Flexible Manual Operation for Complex Conditions

The newly added multi-gear adjustment function allows precise switching of spraying modes according to workpiece materials and powder types. Combined with an ergonomic gun body design, the spray gun is lightweight, comfortable to hold, and suitable for long-term operation with reduced fatigue.

Operators can freely adjust the spraying angle (0–180°) and spraying distance, enabling accurate coating of irregular workpieces, deep cavities, edges, and corners that automated equipment cannot easily reach. This effectively resolves common problems such as poor powder adhesion in inner corners and missed spraying in dead zones.

The equipment is ideal for small-batch, multi-variety production, requiring no complex programming. Operators can quickly adjust operating methods and gear parameters when changing workpieces, significantly reducing production changeover time.

3. High-Efficiency Atomization with Excellent Coating Uniformity

The rotary cup powder spraying design allows powder to be fully atomized through multiple rebounds under centrifugal force, producing fine and consistent particle sizes. The optimized powder flow channel ensures stable and smooth powder output, preventing uneven spraying.

As a result, coating thickness uniformity is significantly improved, with film thickness deviation controlled within ±8 μm, delivering smooth surfaces and consistent gloss.

4. Precise Electrostatic Control with High Powder Transfer Efficiency

Equipped with a constant-voltage electrostatic control system, the output voltage is continuously adjustable from 10–100 kV, ensuring stable electrostatic output with attenuation ≤ 8%.

A distributed multi-electrode layout increases contact opportunities between powder particles and electrodes, greatly enhancing powder charging efficiency. The first-pass transfer efficiency exceeds 85%, improving powder utilization by 20–30% compared to traditional manual spray guns, significantly reducing powder waste and raw material costs. Strong electrostatic attraction also enhances coating adhesion.

5. Easy Operation with Intuitive Parameter Adjustment

The electrostatic control unit features a digital touch screen interface that is simple and intuitive, allowing even new operators to quickly master the system. Real-time monitoring of voltage, gear settings, and vibrating sieve status enables timely adjustments to ensure optimal coating performance.

The compact and mobile design makes the equipment suitable for a wide range of on-site powder coating applications.

  Product Description   

The Q7-2 Variable-speed Manual Electrostatic Powder Bell Gun is a handheld spraying device upgraded and optimized on the basis of the Q7 series. It integrates four core technologies: vibrating screen for quick powder change, multi-gear adjustment, high-speed centrifugal atomization, and precise electrostatic adsorption. While retaining the advantages of high atomization efficiency and high powder transfer rate of the original equipment, it has upgraded the powder change system to meet the requirements of small-batch, multi-color production.

Featuring a user-friendly handheld design, the device is equipped with an intuitive parameter adjustment mechanism and gear-shifting function, allowing operators to flexibly control the spraying angle, distance, speed, and powder supply status. It is particularly suitable for scenarios including small-batch and multi-variety production, coating of irregular and complex workpieces (e.g., deep cavity parts and internal corner parts), multi-color switching spraying, and on-site repair. It is widely applied in fields such as hardware processing, furniture manufacturing, auto parts maintenance, and small household appliance production.

Compared with traditional manual electrostatic spray guns and standard Q7 series products, the Q7-2 boasts higher powder change efficiency and cleaner color switching. It effectively reduces the time cost and material loss of multi-color production, and while ensuring coating quality, it also balances the flexibility and convenience of manual operation, satisfying the needs of medium-and-small batch production and customized coating.

  Product Details  

1. The 1.096kg lightweight gun body reduces the burden of long-term operation, and the ±8μm film thickness uniformity ensures a delicate and flawless surface coating on aluminum profiles, precisely solving the problem of powder application on the edges and grooves of the profiles; the vibrating screen quick powder change system can adapt to multi-color customized production of aluminum profiles, significantly shortening the color change cycle and improving the delivery efficiency of small batch orders.

2. For complex workpieces such as hollow metal frames for lighting fixtures, the Q7-2's multi-stage air pressure adjustment and 5 types of rotary cup nozzles allow for precise control of the atomization range, ensuring that the powder adheres evenly to every weld and bend of the frame, increasing spraying efficiency by 10-20%, eliminating the need for secondary touch-ups. The vibrating screen powder change system can quickly switch between different color powders, meeting the personalized color matching needs of lighting fixtures, and the mixing rate is extremely low, ensuring the purity of the coating color.

3. The lightweight gun body allows for flexible movement, ensuring even powder application on corners and dead ends without powder accumulation. Multiple nozzles and multi-stage switching adapt to various hardware accessory shapes, and the high-pressure adsorption ensures a firm and non-shedding coating. The vibrating screen quick powder change system adapts to the multi-specification and multi-color production needs of hardware accessories, eliminating complex disassembly and cleaning, resulting in higher efficiency for batch operations, and a uniform film thickness and consistent texture for a high-end appearance.