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Bobbins for EDM wire: Physical dimensions and weight

Oki Electric Cable has various wire take-up bobbins to suit different machine models, enabling us to meet the customer needs.

Bobbin symbol Flange diameter D mm Core diameter b mm External width
W mm
Flange thickness a mm Shaft hole diameter h mm standard
Quantity of wire on bobbin
kg
Bobbin shape
P-3R 130 80 110 10 20 1.6
*3
Bobbin shape
3
P-5R 160 90 114 12 20 5
TP-5R
*1
160 90 114 12 20
P-10 200 90 134 12 25 10
P-10T
*1
200 90 134 12 25
P-15 250 110, 125 140 15 34 20
K-125
*2
125 80 125 12.5 16 3.8
K-160
*2
160 100 160 16 22 6
K-200
*2
200 125 200 20 22 15
  • *1 : Transparent bobbin,
  • *2 : DIN standard size bobbin,
  • *3 : OB-P wire and OB-PN wire only

Packing informaion

Packing

  • Each bobbin of our wire cut EDM machine electrode wire is wrapped in shrink pack to protect it from rust and dust.
    We deliver bobbins of electrode wire packed in cardboard boxes designed in such a way that they can adequately withstand transportation.
  • We use only cardboard, and do not use any styrene foam whatever. this helps to protect the environment and also reduces industrial waste disposal costs after use.
Quantity of wire on
standard bobbin
kg
Bobbin type Number of bobbins in a box Card board box size
(WxDxM) mm
Estimated total weight
kg
1.6*4 P-3R 2 171x279x149 4
6 267x444x145 11
3 2 171x279x149 8
6 267x444x145 20
5 P-5R 4 280x375x195 22
5 TP-5R*5
10 P-10 1 170x230x235 11
10 P-10T*5 160x265x283
20 P-15 1 185x290x285 21
3.8 K-125*6 6 302x432x146 25
6 K-160*6 4 366x372x176 26
15 K-200*6 1 220x250x240 15,16
  • *4 : OB-P wire and OB-PN wire only,
  • *5 : Transparent bobbin,
  • *6 : DIN standard size bobbin

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