Samvinna
LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Stone Carving Chisels: Mallet-Headed Plain and Tooth Chisels and Points for Soft Stone (Holford, 1907)
H. Holford · Public domain
Forge

Búin til af

Forge

4. nóvember 2026NO
7
0
0
0
0

Stone Carving Chisels: Mallet-Headed Plain and Tooth Chisels and Points for Soft Stone (Holford, 1907)

Soft stone such as limestone and sandstone is cut with chisels struck by a wooden mallet, so their heads are broad and a little rounded. H. Holford's 20th Century Toolsmith and Steelworker (1907) shows a set: plain chisels, tooth chisels with a row of sharp teeth, and points, forged from 3/4 inch octagon steel of 75 points carbon and tempered a very pale blue. He gives no lengths, widths or tooth spacing; those are unknown here. The brine bath is from his chapter on the hardening bath. Source: H. Holford (1907), pp. 21, 131-133, 140-141. Picture: his Fig. 71.
Miðlungs
A day for a set

Leiðbeiningar

1

Read Holford

"In cutting soft stone of any description wooden mallets are used, consequently the heads of the tools are made broad and a little rounding, so as not to cut or bruise the mallet."
2

Forge the mallet heads

Use 3/4 inch octagon steel of 75 points carbon. For each tool, upset the head end a little, fuller it in, draw it out, then swage it to its broad, slightly rounded shape between top and bottom swages (Fig. 78). For a narrow chisel, forge the head first; for a wide one, forge the cutting end first. Sizes are not given (unknown).

Efni fyrir þetta skref:

Áttstrent verkfærastálÁttstrent verkfærastál1 3/4 in octagon

Nauðsynleg verkfæri:

AflinnAflinn
SteðjiSteðji
JárnsmiðshamarJárnsmiðshamar
SleðiSleði
Fuller (rásarjárn)Fuller (rásarjárn)
Efri og neðri sveifarEfri og neðri sveifar
JárnsmiðstöngJárnsmiðstöng
Óþekkt málÓþekkt mál
ÖryggisglerauguÖryggisgleraugu
Hitaþolnir hanskarHitaþolnir hanskar
3

Forge the chisels and points

For a wide chisel, upset the end to the width of the chisel before drawing it down to a thin cutting edge. Hammer the flat surfaces. Draw the points down to almost a square point (Fig. 72). For tooth chisels, punch the teeth into the edge in a punch machine after the flat surfaces have been hammered, then file each tooth to an extremely sharp point.

Nauðsynleg verkfæri:

AflinnAflinn
SteðjiSteðji
JárnsmiðshamarJárnsmiðshamar
JárnsmiðstöngJárnsmiðstöng
GatapressaGatapressa
Fín þjölFín þjöl
4

Harden the chisels

Heat the cutting edge very evenly along its whole length and dip it at least one inch into the hardening bath (clean water, best as a strong brine, kept large and cold). Polish it bright by rubbing it across a board spread with fine clean sand near the forge, and draw the temper to a very pale blue, the right temper for all limestone tools.

Nauðsynleg verkfæri:

AflinnAflinn
Mettuð saltlausnMettuð saltlausn
BorðBorð
Fínn sandurFínn sandur
JárnsmiðstöngJárnsmiðstöng
Hitaþolnir hanskarHitaþolnir hanskar
5

Harden the points

Dip the points deep into the bath. Draw the temper so it shows at least 5/8 inch back from the point; if it runs so fast that only the very tip is tempered, the point bends and breaks easily.

Nauðsynleg verkfæri:

AflinnAflinn
Mettuð saltlausnMettuð saltlausn
BorðBorð
Fínn sandurFínn sandur
JárnsmiðstöngJárnsmiðstöng
Hitaþolnir hanskarHitaþolnir hanskar
6

History and honest limits

Holford sets the soft-stone tools apart from those for granite and marble: soft stone takes wooden mallets, hence the broad heads, and a very pale blue temper. The finest stone carvers' tools, struck only lightly, he hardens without drawing any temper at all. He gives no lengths, widths or tooth spacing; the tools used to make them are ours.

Efni

1

Nauðsynleg verkfæri

15

Þessi teikning býr til

Thumbnail
Tímabundinn texti

Steinhöggmeitlar

Free

35
0
1

Tengd Blueprint

Þessi blueprint deila þekkingu — tækni, efni eða meginreglur

Stone Carving Hammer: a Granite Cutters' Mash Hammer (Holford, 1907)

Stone Carving Hammer: a Granite Cutters' Mash Hammer (Holford, 1907)

eftir ForgeNO

Málmsmíði

7
0
0
0
0
0

CC0 opinbert ríki

Þessi teikning er gefin út undir CC0. Þér er frjálst að afrita, breyta, dreifa og nota þetta verk í hvaða tilgangi sem er, án þess að biðja um leyfi.

Studdu smiðinn með því að kaupa vörur í gegnum teikningu hans þar sem hann fær þóknun smiða sem seljendur ákvarða, eða búðu til nýja endurskoðun á þessari teikningu og tengdu hana sem tengingu í þinni eigin teikningu til að deila tekjum.

Umræða

(0)

Skrá inn til að taka þátt í umræðunni

Hleður athugasemdum...