English (UK) 
简体中文 "The assembly line is suddenly stuck in PPT, and when it stops, tens of thousands of dollars go down the drain?" We understand this crazy scene! Today we will teach you this set of5-minute positioning + first aid comboThe newbie can become a veteran maintenance driver in seconds!
🔧 I. Emergency Repair: 5 Quick and Easy Steps to Fix Stuckness
1️⃣STOP! Power cut for safety.
"Hard charging when the chain gets stuck? Dude you're fuelling the failure!"
Immediately press the emergency stop button and disconnect the main power switch! Don't underestimate this step - both pages 1 and 6 emphasise: forcing the machine to run when it is stuck can pull the chain and even trigger a mechanical splash that can injure someone.Safety always comes first!
2️⃣Look! 3 moves to locate the choke point
- hear what's going on: Put your ear close to the rail, where is the crunching loudest?
- feel the temperature: Touch the chain with the back of your hand (be careful!). If it's hot, it's probably a friction point.
- search for foreign objects: Mobile phone torch on sprocket gap - screws, broken plastic? An electronics factory stopped the whole line because of tea egg shells.
Personal experience: 80% jamming is a foreign object or chain derailment, don't rush to dismantle the unit yet!
3️⃣Clear! Foreign body removal trick
| artifact | Applicable Scenarios | contraindication (medicine) |
|---|---|---|
| tweezers | pinch out metal fragments | Don't pull hard! Avoid scratching the sprocket teeth |
| magnetic bar | Suction of screws/iron filings (strongly recommended!) | Plastic debris ineffective |
| an air gun | Dust blowing (air pressure ≤ 0.4MPa) | High-pressure jets will blow ash into the bearings |
lesson learnt through blood and tears: Don't ever poke at it with a wire! Page 4 mentions that a repairman poked the sprocket crooked and ended up spending an extra 20k to replace the whole drive train!
🛠️ Second, in-depth treatment: what to do if the chain is loose/worn out?
4️⃣Tight! Golden Adjustment of Tension
symptomatic: Chain droops more than 5mm and can wobble when you lift your hand (like the waistband of a grandma's dancing trousers).
rig::
- Locate the aft tensioning bolt (usually marked in red)
- 1/4 turn clockwise→ Spot test → Repeat until the chain is straight (refer to page 5)
Key details: Over-adjustment accelerates wear! The standard is to press the chain down with your fingerWithin 3mm(Measuring is better than reading the manual.)
5️⃣Replacement! Chain wear self-test mnemonic
"Roller won't turn? Chain piece cracked? A gap that could fit chopsticks? --Time to retire!"
Emergency Replacement Techniques::
- unwinding of old chainsTake photos to record the direction of wear and salesIf it's mounted backwards, it's a direct write-off!
- new chain firstRun for 10 minutes with no loadGrind and re-stock (web page 6 actual test save 30% failure rate)
🛡️ Third, a guide to prevention: 4 top tips to make lag roll away
✅Lubrication: stop fooling around with frying oil!
-oil selection: ISO VG68 thin oil in summer (good fluidity), VG150 thick oil in winter (good adhesion)
-focus area: Spray chain onlyinner roller!!! Outer spraying equals sending adhesive to dust (webpage 2 bloody warning)
-cyclicality: Every time you run200 hoursSpray once (lazy man's method: set an alarm on the 1st + 15th of each month)
✅Anti-Foreign Body: The $800 Saving $80,000 Magic Tool
Installation of the inletStrong magnet + transparent acrylic baffle(Page 4 Electronics Factory Case):
→ Iron filings are attracted by a magnet
→ Plastic debris bouncing off baffles
→ Open the observation window to clean up at any time
✅Loads of pitfalls to avoid: the formula sales won't tell you about
"A 2.5x speed chain pulling 3x cargo? That's making an old ox pull a train!"
Safe load = Nominal load × 0.7(30% margin against overload)
Page 3 actual hammer: Running overloaded will make the motor heat up and the speed plummet 40%!
✅Inspection checklist: 5 minutes a day for a year of savings
Change the phone memo to this 👇
- Chain sag ≤5mm?
- The roller hand dial makes 3 revolutions?
- No sludge build up on the guides? (Sweeps seams with an old toothbrush)
- Emergency stop button test? (Push it once before the end of the shift)
💡 And finally, the big truth.
Repairs are better than fewer repairs!Bosses who save a small fortune to change the chain end up crying and paying for the loss of work stoppageWe've seen too many factories gouge on lubricants. We have seen too many factories stingy lubricant money, the result of 2 days a month downtime - calculated enough to buy ten years of high-grade grease! Remember ah old iron: should be tight, tight, should be replaced, the assembly line running happy, we can get off work on time jerking is not it?
