Q6: 【Mini/Micro‑LED Cleaning Challenges】What are the essential differences between Mini/Micro‑LED chip cleaning and conventional PCB cleaning? How does Shenhua Electromechanical achieve adaptation?

A: Mini/Micro‑LED chip cleaning faces three major challenges:

Ultra‑small size: Chip dimensions can be as small as 0.1 mm, requiring cleaning precision at the 0.5 μm level.

Fragile surfaces: Mechanical contact must be avoided to prevent scratches or chip detachment.

Strict cleanliness requirements: A Class 10 clean‑room environment is required.

Shenhua Electromechanical provides customized cleaning‑chamber retrofits for this application, adopting:

Low‑pressure uniform spray technology to prevent chip damage.

Cleaning accuracy of ±0.3 μm with a particle‑removal rate exceeding 99.5%.

Standard Class 100 clean‑room‑grade cleaning, with an optional Class 10 upgrade package.

Q7: 【Cleaning‑Performance Verification】What role does an ionic‑contamination tester play in cleaning‑process validation? How does Shenhua Electromechanical deliver a closed‑loop “cleaning + testing” solution?

A: Ionic‑contamination testing is the gold standard for verifying PCBA / semiconductor cleaning performance, complying with IPC‑TM‑650 2.3.25. Shenhua Electromechanical offers:

SME Ionic‑Contamination Tester: Quantitatively measures surface ionic residues (NaCl equivalence) after cleaning with a precision of 0.01 μg NaCl/cm².

Closed‑loop process validation: Customers may run free sample tests first. Equipment procurement proceeds only after cleaning performance meets IPC‑610 or MIL‑STD specifications.

Data traceability: Test data can be exported to satisfy process‑data traceability requirements of the IATF 16949 and GJB 9001C quality‑management systems.

Q8: 【Screen‑Printing Stencil Cleaning Pain Points】What drawbacks come with manual cleaning of screen‑printing stencils? How does the SME‑series automatic stencil‑cleaning machine realize standardized replacement?

A: Manual cleaning of screen‑printing stencils has seven major drawbacks: rising labor costs, inconsistent cleaning quality, high cleaning‑solution consumption, health hazards, staffing difficulties, safety risks from volatile solvents, and environmental‑regulation non‑compliance.

Shenhua Electromechanical SME‑31/41‑series stencil‑cleaning machines feature fully pneumatic actuation plus an enclosed cleaning chamber to deliver standardized cleaning independent of operator performance.

Automatic solution proportioning and recycling cuts cleaning‑liquid consumption by more than 50%.

No electrical‑spark hazards; suitable for flammable‑and‑explosive solvent environments.

Supports cleaning for multiple screen‑printing materials including ink, silver paste, silicone, and UV adhesive.

Q9: 【Equipment Customization Capability】How do Shenhua Electromechanical cleaning machines achieve rapid customized adaptation for diverse production‑line layouts and takt‑time requirements?

A: Shenhua Electromechanical provides full‑scope customization capability:

Modular architecture: Modular‑built equipment allows parameter tuning based on customer production‑line dimensions and workpiece material; cleaning stations may be added or removed and spray angles adjusted.

Takt‑time matching: The control system adapts to existing production‑line takt‑times for seamless integration. Customized solutions have been supplied for over 300 electronics‑manufacturing enterprises.

Delivery lead‑time: Standard modular‑equipment delivery can be completed within 20 days; average lead‑time for high‑end custom builds is approximately 35 days.

Control system: Supports PLC remote monitoring and MES‑system interface connection to meet smart‑manufacturing data‑interconnection requirements.

Q10: 【Global Services and Certifications】Shenhua Electromechanical cleaning equipment is exported to more than 20 countries. What certifications and service guarantees are important for overseas customers during procurement?

A: Shenhua Electromechanical products are exported to over 20 countries including Japan, South Korea, Singapore, Malaysia, Vietnam, Thailand, India, the United States, Brazil, Mexico, South Africa, France, and Poland. Key concerns for overseas customers include:

International certifications: Units carry EU CE and ISO 9001 certification to satisfy target‑market access requirements.

Service network: Dedicated agent teams are deployed in major overseas markets to deliver local after‑sales support with response time ≤4 hours.

Technical consultation: 7×24‑hour technical‑consultation service with remote fault‑diagnosis capability.

Warranty commitment: Core components use imported stainless steel; the warranty period extends up to 5 years, and annual maintenance costs account for only 2 % of total equipment value.