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V-Slide Tubing Cutter: Two Slide Halves Held on the Ways by One Spring Clip, a Reamer on the Frame (Thewes, 1938)
William O. Thewes · Public domain
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13. Novemba 2026NO
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V-Slide Tubing Cutter: Two Slide Halves Held on the Ways by One Spring Clip, a Reamer on the Frame (Thewes, 1938)

William O. Thewes of North Ridgeville, Ohio, received US 2,130,934, dated 20 September 1938 and assigned to The Ridge Tool Company, for a cutter for thin copper and brass tubing. A C-frame carries a cutting wheel at one end and a feed screw at the other. The screw pushes a V-slide that holds the tube against the wheel. The slide is two halves on ways along the frame, held together by one V-shaped spring clip, which is also the face the tube bears on. A triangular reamer on the side of the frame cleans the cut end, and the frame is its handle. We saw the frame from steel plate and pin the reamer in. His parts were die cast. All sizes are ours.
Kati
About 3 days

Maagizo

1

Where the tube sits

Inapakia daftari la Jupyter…
2

Read US 2,130,934

"With my improved cutter the ways or guides are integral with the frame and are uninterrupted throughout the length of the frame, and the slide is held in close sliding engagement on the ways without the use of bolts or rivets."
3

Print the template

Frame, slide half, end section, reamer and clip blank at 1:1 on A4, with the 8 and 28 mm tubes drawn in. print at 100 % (check the 50 mm bar).
Faili ya UsanifuPDFCC0 - Free
Pakua modeli
4

Saw out the frame

Glue the frame outline on 16 mm plate. Drill a row of holes inside the C, saw to them, and file to the line. Saw the 7 mm wheel slot down through the wheel post with two cuts, break out the middle and file it flat. Drill the 5 mm wheel pin and 4 mm tie pin holes across the slot. Drill 8.5 mm along the screw axis through the other post and tap it M10.

Vifaa kwa hatua hii:

Bamba la chuma lainiBamba la chuma laini1 kipande

Zana zinazohitajika:

Msumeno wa chumaMsumeno wa chuma
Seti ya tupaSeti ya tupa
Kekee cha NguzoKekee cha Nguzo
Kibano cha mashineKibano cha mashine
Seti ya vichimbuziSeti ya vichimbuzi
Seti ya kukata nyuzi za skrubuSeti ya kukata nyuzi za skrubu
Kigwe cha KatikatiKigwe cha Katikati
Kichora MistariKichora Mistari
Kibano cha meza ya kaziKibano cha meza ya kazi
Mafuta ya kukatiaMafuta ya kukatia
5

File the ways

Along the bottom bar, between the posts, file a groove 2 mm deep and 4 mm high in both faces, 3 mm below the top edge. This leaves a T-shaped rib along the top: the ways. Keep it straight and the same all along, so the slide runs smoothly from end to end.

Zana zinazohitajika:

Seti ya tupaSeti ya tupa
Seti ya tupa ndogoSeti ya tupa ndogo
Kibano cha meza ya kaziKibano cha meza ya kazi
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
6

Turn the cutting wheel

Chuck a tool steel bar and face it. Turn the end to 20 mm across for 10 mm, centre drill and drill a 5 mm hole 10 mm deep, and turn the edge to a 50 degree vee, 25 degrees each side, sharp in the middle of the 6 mm width. Part it off 6 mm long and take the burr off the hole.

Vifaa kwa hatua hii:

Fito ya chuma cha zanaFito ya chuma cha zana1 kipande

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Chaki ya kereza yenye makucha 3Chaki ya kereza yenye makucha 3
Chombo cha kukata cha latheChombo cha kukata cha lathe
Patasi ya kukata kaziPatasi ya kukata kazi
Seti ya bit za kuanzia shimoSeti ya bit za kuanzia shimo
Seti ya vichimbuziSeti ya vichimbuzi
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
Miwani ya usalamaMiwani ya usalama
7

Make the reamer

Saw a triangle with 22 mm sides from 3 mm flat tool steel and drill its 4 mm hole. Grind each edge to a 60 degree bevel from both sides, so all three edges cut. Saw a 3 mm wide slot, 22 mm long and 8 mm deep, in the middle of the frame's bottom edge, 50 mm from the wheel end, and drill the 4 mm pin hole across it.

Vifaa kwa hatua hii:

Kipande bapa cha feleji ya zanaKipande bapa cha feleji ya zana1 kipande

Zana zinazohitajika:

Msumeno wa chumaMsumeno wa chuma
Kisagia cha mezaKisagia cha meza
Kekee cha NguzoKekee cha Nguzo
Seti ya vichimbuziSeti ya vichimbuzi
Seti ya tupaSeti ya tupa
Miwani ya usalamaMiwani ya usalama
8

Harden and temper

Heat the wheel and the reamer to a cherry red, until a magnet no longer sticks, and quench it in water, moving it about. Rub it bright with a stone, warm it on a piece of steel plate over the fire, and quench again as soon as it turns a light straw colour.

Zana zinazohitajika:

Jiko la KufuaJiko la Kufua
Koleo la forjiKoleo la forji
Sumaku NdogoSumaku Ndogo
Ndoo ya kupoza chumaNdoo ya kupoza chuma
MajiMaji
Jiwe la KunoleaJiwe la Kunolea
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
9

Make the slide halves

Saw two pieces of 10 mm plate to the slide outline, one the mirror of the other, and file the V. On the inner face of each, saw and file a pocket for half the screw head and a slot for its neck. Saw and file a step along the bottom edge of each half so its lip fits the groove under the ways (end section on the template). File a shallow notch in the outer face of each half, beside the V, for the clip's tongues.

Vifaa kwa hatua hii:

Bamba la chuma lainiBamba la chuma laini1 kipande

Zana zinazohitajika:

Msumeno wa chumaMsumeno wa chuma
Seti ya tupaSeti ya tupa
Seti ya tupa ndogoSeti ya tupa ndogo
Kibano cha meza ya kaziKibano cha meza ya kazi
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
Kichora MistariKichora Mistari
10

Bend the V clip

Cut the clip blank from 0.5 mm spring steel strip. Bend the four tongues up at right angles, then fold the blank to 90 degrees on the dashed line, over the slide's V.

Vifaa kwa hatua hii:

Utepe wa chuma cha springiUtepe wa chuma cha springi1 kipande

Zana zinazohitajika:

Msumeno wa chumaMsumeno wa chuma
Seti ya tupaSeti ya tupa
Kibano cha meza ya kaziKibano cha meza ya kazi
Nyundo yenye kichwa cha duaraNyundo yenye kichwa cha duara
11

Make the feed screw

Cut 120 mm of M10 threaded rod. Chuck it and turn the end to a 9 mm head 4 mm long on a 6 mm neck 3 mm long. Drill a 6 mm hole across the other end and push a 70 mm piece of 6 mm rod through it for the T-handle. Peen it both sides so it stays put.

Vifaa kwa hatua hii:

Fimbo yenye nyuziFimbo yenye nyuzi1 kipande
Ufito wa chuma lainiUfito wa chuma laini1 kipande

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Chaki ya kereza yenye makucha 3Chaki ya kereza yenye makucha 3
Chombo cha kukata cha latheChombo cha kukata cha lathe
Patasi ya kukata kaziPatasi ya kukata kazi
Kekee cha NguzoKekee cha Nguzo
Seti ya vichimbuziSeti ya vichimbuzi
Nyundo yenye kichwa cha duaraNyundo yenye kichwa cha duara
Msumeno wa chumaMsumeno wa chuma
12

Assemble

Fit the wheel in its slot with the 5 mm pin, and the 4 mm tie pin above it, peened. Tap the reamer into its slot and pin it. Screw the feed screw through the boss. Put the halves on the ways from the sides, closing them round the screw head, and spring the clip over their V so its tongues snap into the notches. Oil the ways and the screw.

Vifaa kwa hatua hii:

Pini ya chuma ya kuunganishaPini ya chuma ya kuunganisha3 vipande

Zana zinazohitajika:

Nyundo yenye kichwa cha duaraNyundo yenye kichwa cha duara
Kigwe cha KatikatiKigwe cha Katikati
Kibano cha meza ya kaziKibano cha meza ya kazi
Mafuta ya kukatiaMafuta ya kukatia
13

Cut a copper tube

Mark a copper tube and hold it in a vice with soft jaws, or by hand for small tubes. Open the screw, drop the cutter over the tube, and screw the slide in until the wheel just touches. Turn the cutter once round, give the screw about a quarter turn, and go on until the tube parts. The wheel should run in its own groove; the end should be square and not squeezed oval. Clean the inside of the end with a deburring tool.

Vifaa kwa hatua hii:

Mrija wa shaba-njekunduMrija wa shaba-njekundu1 kipande

Zana zinazohitajika:

Kibano cha meza ya kaziKibano cha meza ya kazi
Kifaa cha kuondoa ukingoKifaa cha kuondoa ukingo
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
14

Ream the end

Hold the frame like a T-handle, put the reamer's point in the cut end, and turn it a few times to take off the fin the wheel has turned in.

Zana zinazohitajika:

Kibano cha meza ya kaziKibano cha meza ya kazi
15

Troubleshooting

Tubing cutter troubleshooting.

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16

History and honest limits

**William O. Thewes** of North Ridgeville, Ohio, US 2,130,934, dated 20 September 1938, filed 4 November 1935, assigned to The Ridge Tool Company. Earlier slides needed notched ways, which weaken the frame, or bolts that come loose; he claimed "a V block reciprocable on the guideway and comprising two sections, and a face plate clamping said sections together". A later certificate corrects "same" to "frame" and "base" to "boss". His frame and slide were die cast and the reamer cast into the frame; ours are sawn from plate and the reamer is pinned. The patent gives no sizes; all of ours are ours.

Vifaa

8

Zana Zinazohitajika

28

Faili za muundo

1

Mchoro huu unatengeneza

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Kishikilia nafasi

Kikata bomba

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

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