[Duplex Worms, Worm Gears (KWGDL)] Series list    mating gears :  Duplex Worms, Worm Gears (AGDL)
diagram
Specifications
Precision grade KHK W 001 grade 1 Tooth Surface hardness HRC45 - 55
Reference section of gear Axial Surface treatment -
Gear teeth JIS 3 type Standard full depth Surface finish Ground
Normal pressure angle 17°30′ Datum reference surface for teeth grinding Bore (H7)
Material SCM440 Modifications Possible
Heat treatment Normalizing, tooth surfaces induction hardened    
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Catalog No.
Nominal axial module
 Number of start Nominal Lead Angle Hand of thread Shape Bore
L		 Hub dia.
M		 Pitch dia.
N		 Outside dia.
O		 Face width
P		 Hub width
Q		 Total length
R		 Position of reference tooth
S		 Max.allowable shift
Vmax 		Weight
(kg)		 Unit Price
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  KWGDL2-R1 
  KWGDL2.5-R1 
  KWGDL3-R1 
  KWGDL3.5-R1 
  KWGDL4-R1 
213°41′RW4142531353614502280.21 
2.513°52′RW41830374248176529100.37 
313°54′RW42035445054207432100.61 
3.513°47′RW42444536062238537121.05 
413°41′RW428506270742610044141.67 
Product Precautions
[Caution on Product Characteristics] ①When the center distance is moved to reduce the backlash, the V max is the maximum amount of distance that you may shift without causing problems with the gear mesh. The V-max is not a recommended value to use for adjustment when assembling.
②These gears produce axial thrust forces. See precaution for more details.

[Caution on Secondary Operations] ①Please care must be exercised when performing modification and/or secondary operations of Worm Gears. Haguruma Kobo, the KHK's system for quick modification of KHK stock gears is also available.
②Due to gear teeth induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 1 mm).
  Please click here to Unit Price & Delivery Time.