2026-05-20
May 20, 2026, Dongguan –
In the coating industry, both manual spraying and ordinary automatic equipment have long suffered from five persistent defects: sagging, orange peel, undercut, particles, and color inconsistency. These flaws not only damage appearance quality but also directly cause rework, material waste, and delivery delays, becoming the top challenge in manufacturing surface treatment. With the large-scale application of the 6th generation 360° high speed rotating automatic spraying machine by Dongguan Mansheng Automation Equipment Co., Ltd., these five pain points are being systematically eliminated. This article explains how intelligent spraying equipment improves coating quality from technical and process control perspectives.
Symptom: Vertical or recessed areas show dripping stripes after drying.
Cause: Uneven manual operation, slow gun movement, excessive flow, or poor atomization.
Mansheng Solution: The 360° high speed rotating atomizer operates at over 65,000 rpm, tearing coating into uniform 15–25μm droplets. Built in closed loop flow control stabilizes output within ±1% to eliminate local buildup.
Result: Sagging defect rate dropped from 8.7% (manual) to 0.3% at an automotive bumper factory.
Symptom: Fine uneven texture resembling orange peel, low gloss.
Cause: Poor atomization, insufficient leveling, or fast solvent evaporation.
Mansheng Solution: High speed atomization + precision airfield + gradient leveling algorithm keeps low speed airflow for 30 seconds after spraying to promote natural flow. A temperature/humidity adaptive system optimizes dilution ratio automatically.
Result: Gloss reaches 95 GU (60°) with mirror like finish on 3C housings.
Symptom: Base color visible, especially on edges, corners, and deep holes.
Cause: Wrong gun angle, insufficient film thickness, or poor accessibility.
Mansheng Solution: Multi axis linkage + 360° omnidirectional coverage with real time path compensation. Coating thickness controlled within ±3 μm for full coverage.
Result: Undercut rate reduced from 12% (manual) to 0% on high voltage connector shells.
Symptom: Tiny bumps on the surface, rough touch.
Cause: Dust, unfiltered paint, poor atomization, or nozzle buildup.
Mansheng Solution: 3 level protection system 1. Triple paint filtration (50/100/200 mesh) 2. Booth positive pressure + HEPA filter (Class 100,000 clean) 3. Automatic self cleaning nozzle anti caking
Result: Particle defect rate reduced from 5% to 0.2% on home appliance panels.
Symptom: Color variation between batches or parts.
Cause: Inconsistent manual operation, unstable viscosity/temperature, or cross contamination.
Mansheng Solution: Digital recipe management + full traceability with 1000 stored recipes. Automatic color change & cleaning completes in 6–8 minutes with zero cross contamination.
Result: ΔE color difference stably below 0.3 (invisible to human eye) over 100 batches.
An LED lighting factory in Zhongshan improved yield from 78% to over 97% after adopting Mansheng’s equipment. Rework workshop was closed, and the factory became a zero inspection supplier.
Mansheng offers free sample spraying nationwide. Send your parts to the Dongguan showroom for a full defect comparison report using the 6th generation 360° rotating spray machine. Over 800 enterprises have tested; 90% placed orders after seeing results.
Dongguan Mansheng Automation Equipment Co., Ltd. is a national high tech enterprise with 13 invention patents. Its 6th generation spraying system systematically solves the five major coating defects through high speed rotation, digital closed loop control, and intelligent monitoring.
Release Date: May 20, 2026