Spur Gear is a kind of classification. According to Tooth profile shape, Gears are classifed into Spur Gear, Helical Gear, Double Helical Gear or Spur Gear, Curve Gear.
Constituent part
Classsification: Engagement method Basic Properties
Spur gear: External Gearing Inner Gearing Pinion and Rack
Profile line of contact is a line which parallel to Axis.
Along with tooth width, a pair of profile enter or quit
engagement at the time, which would easily cause
impact and noise and driving stability is poor.
Spur Gear Mini Spur Gear,Spur Gear With Hobing,Small Spur Gears,Metal Spur Gear Qijiang Yongyue Gear Co.Ltd , http://www.yongyuegear.com
 -  Load capacity: 200kg
-Â Open size:Â 740X475X810mm
-Â Folded size: 740X475X210mm
-Â Aluminium Plateform, size: 740X475mm
- Â Light weight aluminium structure with castors and universal turn.
- Â Handle folds flush and locks in place for easy storage.
- Steel handle, powder coating
- Nylon Wheels, Wheel diameter: 100mm
- Packing: Each PC in one outer carton or color box. (The color box packing is based on more than 1000PCS. )
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Light Weight Aluminium Platform Hand Trolley (HT041-200-2)
Model NO.: HT041-200-2
Surface Handling: Powder Coating
Certification: ISO, GS, TUV
Load: 200kg
Trademark: ROBUST
Transport Package: Outer Carton or Color Box
Specification: 74X47.5X81cm
Origin: Shanghai China
HS Code: 87168000
Light Weight Aluminium Platform Hand Trolley (HT041-200-2)