MUSI Technical Support Team
MUSI maintains a dedicated technical support team led by 1 senior engineer (professorship-level), with 8 senior engineers and 24 process engineers — totaling 30+ professionals — providing comprehensive technical services to global customers.
Team members have 10+ years average industry experience, covering pretreatment, powder coating, liquid coating, sandblasting, drying processes, and environmental treatment. We solve every technical issue customers face during line operation.
Scope of Technical Support
1. Process Optimization
Systematic optimization solutions for existing line bottlenecks:
- Film quality optimization — uneven thickness, orange peel, sagging, poor adhesion
- Energy optimization — through curing profile, fan VFD, heat recovery
- Cycle time optimization — bottleneck analysis with process or equipment improvements
- Powder utilization optimization — gun layout, voltage, recovery system upgrades
2. Parameter Commissioning
Full-process parameter commissioning for new lines or process transitions:
- Pretreatment chemistry concentration, temperature, pH
- Spray parameters (voltage, current, air pressure, powder output)
- Curing temperature profile setup
- Environmental equipment operating parameters
- PLC program optimization and fault protection
3. Fault Diagnosis
Rapid diagnosis and resolution when equipment fails:
- Electrical: drives, PLC, sensors
- Mechanical: chains, bearings, cylinders
- Process: film abnormalities, temperature anomalies, energy spikes
- Remote support resolves 60%+ of issues without travel
4. Line Upgrades
After 5+ years, customer lines typically need upgrades:
- Environmental upgrades — RTO/RCO addition
- Automation upgrades — robots, vision, MES
- Energy upgrades — oven heat recovery, VFD conversion
- Process upgrades — solvent to water-based, powder, or UV
Technical Resources
- Coating Lab: Customers can send samples to our Changzhou lab for trial testing — validating process feasibility before commitment
- Case Library: 800+ project cases across multiple industries
- Coating Partner Network: Cooperation with Nippon Paint, PPG, Akzo Nobel, BASF — joint solutions when needed
- Academic Partnerships: Joint R&D with Jiangsu University, Changzhou Institute of Technology, Nanjing University of Science and Technology
Support Methods
- Phone / Video Remote Support: 80% of consultation issues resolved remotely
- On-Site Technical Service: For complex issues, engineers travel on-site (free during warranty period)
- Specialized Technical Consulting: Deep consultations for specific needs (new process validation, line planning)
- Annual Inspection Service: Annual maintenance contracts available — periodic preventive line inspections
Contact Technical Support
If your coating line has technical issues, contact MUSI's technical support team via:
- Technical hotline: +86 181 5173 1332
- Technical email: lin@coating-spray.com
- Online consultation: Submit consultation form
?Retrofit, troubleshooting and trial questions
Our coating line no longer meets quality targets. Can it be retrofitted instead of replaced?
Often it can, but diagnose first. MUSI technical support checks the defect (uneven thickness, orange peel, sagging, poor adhesion) against pretreatment, application, curing and the condition of the existing equipment, then compares local correction, upgrade and a new line. Replacement is the better choice when the conveyor, oven or booth cannot reach the target even after an upgrade, or when parts and controls can no longer be supported.
What information is needed to quote a retrofit of our existing line?
The layout drawing, an equipment list with nameplates, the control system type, the parts you coat, current and target output and quality, defect or bottleneck records, and the shutdown window you can allow. The proposal then states which existing equipment is reused, which is replaced and what is excluded; a site survey may be needed before the price is fixed.
Our line uses more energy than before. How should we diagnose it before buying new equipment?
Compare energy per good part over equal production rather than monthly bills. Check the oven temperature profile and running hours, fan speeds and airflow, insulation and door losses, idle running between batches and maintenance condition. MUSI energy optimisation works through the curing profile, fan VFD conversion and oven heat recovery, and savings should be confirmed by metering before and after with the same product mix.
Output is below demand. How do we find the bottleneck before increasing conveyor speed?
Measure each station’s cycle time, queues, stoppages and reject rate, then check the cure window, because a faster conveyor shortens the time parts spend in the oven. Loading and unloading capacity is often the real limit. MUSI cycle-time optimisation starts with this bottleneck analysis and then compares an extra shift, better loading and equipment changes on cost and quality risk.
Can we upgrade our line in phases while part of production keeps running?
Usually, if the work is split into off-line preparation and short on-site changeovers. Each phase needs defined interfaces, a temporary production arrangement, a test before restart and a fallback if the restart slips. Missing drawings, interfaces that differ from the drawings, worn existing parts and control versions are the usual causes of longer downtime, so check them on site before the schedule is fixed, and start with the phase that removes the largest quality or capacity loss.
Can new automation be integrated with our existing PLC and conveyors?
It depends on the PLC model and version, communication protocol, spare I/O, mechanical interfaces and safety circuits, which are confirmed before quoting. MUSI automation upgrades include robots, vision systems and MES. Before accepting the upgrade, test interlocks, alarms, stop and restart, user permissions and data exchange, and record any deviation for correction.
What should our maintenance team send for remote diagnosis?
The equipment model, a fault description and contact details, plus alarm codes, when the fault occurred, the parts being coated, current parameters and photos or short videos. MUSI gives a first diagnosis by phone or video, and most consultation issues are resolved remotely. When a fault cannot be confirmed or fixed remotely, engineers travel on site, free of charge during the warranty period.
Can we test our own workpieces and coating material before the line design is finalised?
Yes. Customers can send samples to the MUSI coating lab in Changzhou for trial testing to check process feasibility before committing. Send representative parts, the powder or paint data sheets and your coating specification. The trial report should state the equipment and parameters used, the measuring method and points, and the results; it proves the process, while full-line output is confirmed at capacity acceptance on site.
QQuestions buyers ask before ordering
quotation · price · lead time · installation · warranty
What information do you need to prepare a quotation?
Send part drawings or photos, the largest part size and weight, the material, the required output per shift, the paint or powder type and number of colours, and the available floor space, ceiling height and power or gas supply. MUSI engineers reply within 24 hours; a recommended configuration and quotation follow once your part data is complete.
How much does this equipment cost?
Budget depends on part size, throughput and the level of automation. Indicative ex-works ranges are published in our complete coating line cost guide; a configured quotation is prepared from your part data. Published indicative ex-works ranges: a complete powder coating line is roughly USD 75,000–230,000 semi-automatic, USD 200,000–600,000 for a standard automatic line and USD 600,000–2,000,000 for a high-throughput automated plant.
What is the lead time?
Standard configurations ship in 30–60 days from contract signing and down payment; custom configurations take longer. The delivery date is fixed in the contract.
Do you install and train operators overseas?
Yes. MUSI engineers carry out on-site installation and commissioning and give 3–5 days of operator and maintenance training. MUSI has delivered 800+ coating lines to customers in 36 countries.
What warranty and after-sales support are included?
12 months full-machine warranty, 36 months on critical components and up to 60 months on structural parts. International customers get 24-hour phone response and 72-hour on-site arrival; spare parts ship from the Changzhou headquarters.
Can the environmental equipment be supplied with the line?
Yes. VOC treatment (RTO, RCO, activated carbon, zeolite rotor), dust collection and paint wastewater treatment are supplied with the coating line under one contract; MUSI has equipped 50+ coating facilities whose projects all passed local environmental compliance reviews.