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Combination Pliers Forged: Ridged Jaws, Pipe Grip and Side Cutters
Combination pliers, also called lineman's pliers, do three jobs: ridged flat jaws grip, a rounded hollow behind them holds rods and pipes, and bevelled side cutters near the joint snip wire. A strong rivet joins the two forged halves. Forge them from tool steel, file the jaws, rivet them, and harden the jaws and cutters.
The picture: an old, worn pair of combination pliers.
Osezingeni eliphezulu
Two days
Imiyalelo
1
1
Forge the halves
Forge the halves
Forge two mirror halves from tool steel: a jaw, a flat boss for the joint, and a long handle (our size: jaw 35 mm, handle 140 mm from the joint).
Izinto zokwakha zalesi sinyathelo:
Induku enezinhlangothi eziyisishiyagalombili yensimbi yamathuluzi0.4 kg
Amalahle2 as requiredAmathuluzi adingekayo:
Iziko lomkhandi wensimbi
Insimbi Yokukhandela
Isando esinekhanda elimise okwesikhonkwane
Udlawu lomkhandi wensimbi
Amagilavu okushisela
Izibuko zokuphepha2
2
Shape the jaws
Shape the jaws
Anneal both halves. File each jaw flat with cross ridges at the tip, a rounded hollow behind it, and a bevelled cutting edge next to the joint, so the edges meet when the jaws close.
Amathuluzi adingekayo:
Iziko lomkhandi wensimbi
Insimbi yokuhlikihla izinsimbi
I-vice esindayo yebhentshi
Itshe lokulola eliphenduka3
3
Rivet the joint
Rivet the joint
File the bosses to lap closely, drill them together, and set a strong steel rivet so the jaws close without play.
Izinto zokwakha zalesi sinyathelo:
Izipikili zensimbi1 ucezuAmathuluzi adingekayo:
Ibhola lesandlaI-vice esindayo yebhentshiIsando esinekhanda elimise okwesikhonkwaneInsimbi Yokukhandela4
4
Harden the jaws
Harden the jaws
Heat the jaws and cutters only to cherry red and quench in water. Polish them bright, warm the joint and quench when the cutters show straw (our temper).
Izinto zokwakha zalesi sinyathelo:
Amanzi10 amalithaAmathuluzi adingekayo:
Iziko lomkhandi wensimbi
Ibhakede lokupholisaUdlawu lomkhandi wensimbiAmagilavu okushiselaIzibuko zokuphepha5
5
Hone and test
Hone and test
Hone the cutter bevels and try them on soft copper wire, then grip a rod in the hollow to check the jaws meet square.
Amathuluzi adingekayo:
Itshe lokulola le-grit 10006
6
Force at the edges
Force at the edges
Ilayisha incwadi ye-Jupyter…
Izinto
4- 2 as requiredIsibambeli
- 1 ucezuIsibambeli
- 10 amalithaIsibambeli
Amathuluzi Adingekayo
12- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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