Compact Automatic Powder Coating Line for Small Parts
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Automatic Powder Coating Line for Small Parts
This automatic powder coating line is designed for high output of small accessories, thus it could fit compact space factory. It is configured with Automatic coating guns and equipment, cyclone automatic spray booth and tunnel oven
Workparts movement by overhead conveying system. Powder spraying by automatic equipment ensures uniform powder film thickness, powder recycling by cyclone system and powder feed center. A continuous tunnel oven curing workparts ensures efficiency,

This automatic powder coating line is specially designed for our Australia customer for the application of springs in high output and superior quality.
Powder Coating Booth
Automatic Powder Gun & Powder Feed Center
powder curing tunnel oven
1. COLO-191S Automatic Powder Coating Equipment
A central cabinet combines all the gun controllers for integrated control, a host unit can control all units, ensures reliability and controllability. The quantity of the powder coating units installed can be customized.
The COLO-191S applies digital valve technology for flexibly and precisely setting every parameters, perfectly coating even most complex workparts. Combines with 100kv high efficiency spray gun, the system obtain more uniform film thickness with great powder saving which are very vital in the automatic production line.
The COLO-191S powder coating gun control unit offers 3 pre-set coating modes for panels, corners and re-coating, and allows customize 20 programs for different parts and powders..
PLC Powder Coating Reciprocator
Driven by frequency motor, reciprocators carry automatic spray guns to move up and down in programmed stroke and speed.
Our PLC controlled reciprocaror delivers smooth, stable and accurate motion that ensures uniform powder film thickness and reduces powder waste.
Customized stroke, within the stroke, the spray gun travel range of the upper and lower limited position can be arbitrarily set to optimize the coating jobs.
PLC Digital controller allows setting and storing 20 programs, with a user-friendly touch screen for easily setting parameters.
The quantity and the arrangement of the spray guns are customized according to the size, shape of workpieces. The study construction meets the high continual load for everyday conditions.
Touch Control Powder Feed Center
Powder Feed Center is an integrated solution designed for continuously, uniformly, quantificationally feed the fresh & reclaim powders to the spray gun system.
Constructed with a sieving unit to sieve oversprayed powders from recovery booth, ensures the recycled powders are qualified and prevents powder block.
A high volume powder container could contain 120kgs fresh powders supports for continuous big productions, the closed hopper avoids any powder escape for a dustfree work shop.
Achieves automatic cleaning of spray guns, powder pipes, powder pumps that increases color change efficiency
PP Plastic Automatic Powder Coating Cyclone Booth
As the booth wall is made of anti-static plastic it does not attract powders which minimizes powder accumulation on the wall, thus more oversprays are recycled, moreover greatly increase cleaning and reduce downtime during color change.
It is designed with automatic coating stations for the reciprocators and manual station for repair coating. Cyclone collects most overspray for recyling, while after filter unit is to capture superfine powder particles ensure the vented air is clean.
The spray booh floor is designed with air knife self-cleaning system, effectively transfer sprayed powder from the booth floor to recycling system, increase powder utilization
The cyclone uses centrifugal force and gravity fastly separating particulates from the air streams. and achieves powder recycling rate upto 98%, an vital part in the high volume coating line.
Ultrafine powder particulates will be transfered to filter cartridges for final collecting. Those high precsion and long lifespan filters capture the dust even 0.1 micron, ensure a dustless workshop。
Powder Coating Tunnel Oven
Powder Coating Curing tunnel is designed for continuous operations. Workparts automatically enter the oven and move by overhead conveyor, when they come out from the exit of the oven, they finish the curing process in a fitted time
Tunnel oven may be manufactured in various types depending on the space to be installed or the conveyor speed. Maximum painting efficiency is obtained with high capacities by means of this system.
Our tunnel oven is made of 100-150mm rockwool board which minimizes temeprature dropping during long curing time, configured powerful circulation fan circling hot air through the entire chamber, the uniformly heated chamber with temperature difference less than 3-5 degree.
Automatic Powder Coating Line Specifications for Reference
| Design Principle | |
| Processed Workparts | Small Springs |
| Working Area | L10m x W15m x H6m |
| Powder Spray Booth | |
| Type | Automatic Type |
| Powder Spray Booth Size: | W1280*H1500*L4000mm, Opening: W680xH1500mm |
| Powder Recovery | Cyclone |
| Cartridge Filter System | 325x600mm, 18pcs. |
| Fan Motor | 11kw, 7000m³/h |
| Spray Booth Material: | PP Plastic & Stainless Steel |
| Powder Coating Equipment | |
| Automatic Powder Guns | COLO-191S, 8 pcs |
| Manual Powder Guns | COLO-191S, 2 pcs |
| Central Contral Cabinet | 2 sets |
| Powder Coating Reciprocator | COLO-2000D, 2sets, 1.5m stroke |
| Powder Sieving & Recyling | COLO-6600D Powder Feed Center, 1 set |
| Powder Curing Oven | |
| Type | Automatic Tunnel Type |
| Powder Curing Oven Size: | W2880 X H3000 x L14200 mm |
| Heating Source | Electric |
| Heating Time & Temperature | Warm-up time: 15-30 min. (180° C), Max.250° C |
| Material | 100mm thick rockwool board Interlayer |