English (UK) 
简体中文 First, the basic question: why can't the selection of the head shot?
central contradiction: Conveyor line buy big waste of money, buy small every day to repair - selection of the essence of theTriangular balance of load, environment and efficiency.
Scenario pain pointsA food factory with ordinary carbon steel roller, half a year rust through the oil leakage pollution production line, the loss of more than 800,000 yuan.
the truth about sth.: Roller conveyor lines are not a standard item and choosing the wrong material/size can lead to:
- Overload deformation: single roller super static load → core bending → full paralysis
- Environmental corrosion: Galvanised rolls for acidic and alkaline environments → Rust slag contamination of goods
- Efficiency backfire: underpowered and strong on heavy loads → motor burnout
Guide to avoiding the pit::
- loadcalculation: Single Roller Load = Total Cargo Weight ÷ Number of Contact Rollers (minimum 3)
Example: 1 tonne pallet in contact with 8 rollers → single roller needs to bear 125kg - environmental penetrationHumidity>80% select stainless steel, -20 ℃ below the ban on plastic parts
Second, the scenario question: how do you size it so it doesn't roll over?
Three-dimensional operational matrix: Aspect + Layout = Size Lifeline
| parameters | formula | A case of blood and tears |
|---|---|---|
| Roller length | Cargo width +50~150mm | A factory saves material and reduces length, and the box jammed and fell off. |
| Roller spacing | ≤1/3 cargo length | 2 metres of steel pipe only support 4 rollers, deflection over the limit of resistance surge |
| turning radius | Inner radius ≥ 3 times the width of the roller conveyor | Airport baggage system R=1500mm to be smooth |
Special Scenario Solutions::
- climbing section: Roller surface with rubber cover, friction coefficient increased 70% anti-slip
- heavy load bit: Selection of φ89mm steel pipe with 4mm wall thickness doubles the impact resistance.
III. Material showdown: cost-saving or life-saving?
Material selection = triple game of environmental resistance + wear resistance + compliance
| material (that sth is made of) | killer | Achilles' heel | Applicable Scenarios |
|---|---|---|---|
| Galvanised carbon steel | Cheap! Unit price ≈ stainless steel 1/3 | Rusting through in wet environment for 2 years | Lightweight boxes for dry storage |
| 304 stainless steel | Acid and corrosion resistant with a life span of 10 years + | High price, low hardness easy to scratch | Food factory/chemical plant |
| Rubber-coated rollers | Anti-slip and noise-reducing, protects the underside of the goods | Low temperature embrittlement, dust contamination | Climbing section/electronics workshop |
| aluminium | Lighter! 64% lighter than steel! | Only 1/3 of the load capacity of steel | Courier sorting of light parcels |
Lithium battery industry subterfuge: Banning of galvanised parts (zinc ion contamination), mandatory stainless steel or hard chrome plating
Fourth, the customisation minefield: what money should never be saved?
Solution = Predictive Failure Chain + Redundant Designs
▶ Drive system: How to choose chain drive / O-belt / timing belt?
- a chain drive: The king of heavy loads (800kg/m at the car factory), but noisy like a tractor!
- O-Band: Silent Angel (<60dB), but one break all paralysed!
- Intelligent Redundancy: 10% power margin reserved for logistics sorting line to cope with peak traffic flow
▶ A mine laid by the installation method:
- Spring loaded: Quick roll change, but easy to come loose under heavy load → Disabled for automotive lines
- Female threaded fastening: stable as a mountain, but time-consuming to dismantle → must be equipped with a utility roller
Customised mnemonics::
Use female threads for power lines, spring compression for non-powered options;
Turning section must be equipped with tapered rollers, climbing position can not be missing wrapping rubber.
V. Extreme Scenario Survival Guide
When parameters conflict, life preservation priority: safety > lifetime > efficiency
- cold chain warehouse: -25°C environment
❌ Plastic rollers (brittle and broken) → ✅ All-steel rollers + low-temperature grease - Electronic clean room::
❌ Rubber-coated rollers (powder contamination) → ✅ Stainless steel mirror polishing
Counterintuitive data: A factory to save 30% cost cancellation of the dustproof design, three years of maintenance costs = 40% of the purchase cost
The old Wang, who has been designing conveyor lines for twenty years, always reads."Selection is not about choosing the most expensive, it's about choosing the right one.". When you're torn between stainless steel or galvanised, find out the temperature and humidity of the underside of the goods first - machines are more honest than people, feed them the wrong material and it'll go on strike for you in minutes. (Technical points synthesised from industrial field-proven data and manufacturers' manuals)
