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Combination Pliers Forged: Ridged Jaws, Pipe Grip and Side Cutters
GTSPACE (Wikimedia Commons) · CC BY-SA 4.0
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14. Oktoba 2026NO
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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.
Juu
Two days

Maagizo

1

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).

Vifaa kwa hatua hii:

Kipande cha pembe nane cha feleji ya zanaKipande cha pembe nane cha feleji ya zana0.4 kg
MkaaMkaa2 as required

Zana zinazohitajika:

Fua ya mhunziFua ya mhunzi
FuaweFuawe
Nyundo yenye kichwa cha msalabaNyundo yenye kichwa cha msalaba
Koleo za mhunziKoleo za mhunzi
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
2

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.

Zana zinazohitajika:

Fua ya mhunziFua ya mhunzi
Tupa ya chumaTupa ya chuma
Kibanio kizito cha meza ya kaziKibanio kizito cha meza ya kazi
Jiwe la kunoa la gurudumuJiwe la kunoa la gurudumu
3

Rivet the joint

File the bosses to lap closely, drill them together, and set a strong steel rivet so the jaws close without play.

Vifaa kwa hatua hii:

Rivet za chuma cha puaRivet za chuma cha pua1 kipande

Zana zinazohitajika:

Kekee cha mkonoKekee cha mkono
Kibanio kizito cha meza ya kaziKibanio kizito cha meza ya kazi
Nyundo yenye kichwa cha msalabaNyundo yenye kichwa cha msalaba
FuaweFuawe
4

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).

Vifaa kwa hatua hii:

MajiMaji10 lita

Zana zinazohitajika:

Fua ya mhunziFua ya mhunzi
Ndoo ya kupoza chumaNdoo ya kupoza chuma
Koleo za mhunziKoleo za mhunzi
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
5

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.

Zana zinazohitajika:

Jiwe la kunoa la grit 1000Jiwe la kunoa la grit 1000
6

Force at the edges

Inapakia daftari la Jupyter…

Vifaa

4

Zana Zinazohitajika

12

Mchoro huu unatengeneza

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Kishikilia nafasi

Koleo la Matumizi Mengi

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

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