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“How German Engineers Keep 10-Year-Old Machines Running Like New”

2025-08-10

The Ultimate Maintenance Guide for Fully Automatic Positive & Negative Pressure Machines: Maximize Lifespan of Your Second-hand Equipment

Why Maintenance Matters More for Second-hand Machines

"A well-maintained 10-year-old machine outperforms a neglected new model."

For overseas buyers of refurbished plastic thermoforming equipment, proactive maintenance is your secret weapon to:

Achieve 98%+ uptime comparable to new machines
Reduce energy consumption by up to 25%
Extend equipment lifespan beyond 15 years

Core Maintenance Checklist - Engineer Recommended

1,Daily Operator Tasks (5 Minutes/Day)

Vacuum Pump Care

Check oil level (Viewing port at 3/4 full)
Monitor exhaust temperature (<85℃/185℉)
Listen for abnormal noises (Whining = bearing wear)

Pressure System Check

Test emergency stop response
Verify pressure gauge stability (±0.1 bar)

2,Weekly Technician Actions (30 Minutes/Week)

Seal Integrity Test

Apply soap solution to pipe connections → Check for bubbles
Measure vacuum drop rate (<0.5 mbar/min when sealed)

Lubrication Protocol

Grease linear guides with Mobilith SHC 100 (High-temp resistant)
Oil pneumatic cylinders per ISO 6431 standard

Electrical Safety Inspection

Tighten terminal connections (Torque: 1.2-1.5 Nm)
Check ground resistance (<0.1Ω)

3,Quarterly Deep Maintenance (4 Hours/Quarter)

System	Critical Procedure	Tool Required
Vacuum System	Replace oil mist filter + Rotor gap check	Feeler gauge (0.03-0.05mm)
PLC Controls	Backup programs + Clean heat sinks	Thermal camera
Hydraulic Unit	Change oil (ISO VG 46) + Flush lines	Particle counter (NAS 9)
Frame Alignment	Verify platen parallelism (<0.1mm/m)	Laser collimator

Pro Tips for Refurbished Equipment Owners

The 90-Day Reset Rule

After acquiring second-hand machines:
- Flush vacuum pump oil 3 times (20-min runs between changes)
- Replace all pneumatic seals (Nitrile for <60℃/ Viton for >60℃)
Why? Removes debris from previous operation

"Our refurbished machines include FREE lifetime maintenance consulting – Because your success is our warranty."

Want to learn more?

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Pack Point Sealing Machine

Plastic Film Roll

“How German Engineers Keep 10-Year-Old Machines Running Like New”

The Ultimate Maintenance Guide for Fully Automatic Positive & Negative Pressure Machines: Maximize Lifespan of Your Second-hand Equipment

Why Maintenance Matters More for Second-hand Machines

Core Maintenance Checklist - Engineer Recommended

1,Daily Operator Tasks (5 Minutes/Day)

2,Weekly Technician Actions (30 Minutes/Week)

3,Quarterly Deep Maintenance (4 Hours/Quarter)

Pro Tips for Refurbished Equipment Owners

News

Cases

Plastic Thermoforming Machine

Plastic Vacuum Forming Machine

Plastic Extrusion Machine

Thermoforming Mold

Hydraulic Cutting Machine

Plastic Crusher Machine