A13 infill smoother - Bill of Materials

Text version

Dovetailed Infill Smoothing plane, 9" sole length
modeled after Norris (and Holtey) A13

Jim Yehle, Salt Lake City, Nov 2002

Includes tooling, save for what you'd find in a reasonably-equipped machine shop

Sole
24" x 3" x 3/16" AISI C1018 steel, low carbon ground flat stock
MSC: steel C1018 24" x 3" x 3/16": 06203301 $36.17 26jun02
(Starrett #498 low carbon ground flat stock AISI C1018: 76203306 $40.78)
(from www.starrett.com: "On a relative machinability rating of 100 for AISI 1018 steel, our No. 498 low carbon ground flat stock has a machinability rating of 137.")

Sides
24" x 2.5" x 5/32" AISI C1018 steel, low carbon ground flat stock
MSC: steel C1018 24" x 2.5" x 5/32": 06216253 $22.43 26jun02
(220 commercial bronze 1/8 thick x 12 x 12, MSC $58 32003675)
(353 engraver's brass 1/8 x 12 x 12 MSC $49 32005977)
(510 phosphor bronze 1/8 x 6 x 12 McMaster 5092K38 $63.04)
(464 naval brass min 1/4" thick from McMaster and MSC)
(954 alum. bronze: comes in 1/4 min. thickness from MSC)

Iron
18 x 2 x 7-1/2" air hardening steel, precision ground
MSC: Timken Latrobe "Olympic" D2 oversize 2.015 x .200 x 18 86312204 10aug02
or MSC A2: 18" x 2.5" x 3/16" Starrett 76062520 $34.76
(D2 is 1.5% Carbon .3 Silicon .3 Manganese 12.0 Chromium .9 Vanadium .75 Molybdenum)

Back iron
1/8 x 2 x 3.75 low carbon steel
Small Parts ZRTS-2/32-36 Cold rolled C1018 steel, 1/8 x 2 x 36 $6.50 6aug02

Throat plate
3/8" steel plate
Small Parts: 3/8 x 4 x 3 cold rolled steel ZRTS-6/64-3 $5.95 6aug02

Lever cap
1/2" aluminum bronze
McMaster 8959K25 Alloy 954, rect. bar 1/2 x 2-1/2 x 12 $38.12 1aug02

Lever cap pivot screws
slotted-head shoulder screws
Reid ART-50

Lever cap screw
3/8-16 knurled head screw, head 7/8 OD x 5/16 ht, stainless
Reid SKHS-4S, orig 2" thread length, cut to about 1-1/4", $5.65 30oct02

Cross pins, throat plate rivets
3/16" rod, low-carbon steel or cast iron
Small Parts U-ZRS-3-36 cold rolled C1018 steel, 3 ft. $1.90 6aug02

Cross pin spacers
3/16" I.D. brass tubes
Small Parts: TTRB-04H-36 alloy 260, 1/4" OD .029" wall 3' long $6.85 6aug02

Iron screw
3/8-16 x 1/2 slotted pan-head, stainless
McMaster-Carr: 91792A619 10/$4.62 27oct02
Turn head diam down to 9/16, trim length to 5/16 (plus a bit)

Blade Guides
Grub screws, slotted, cup-point, 10-32 x 3/16, stainless
McMaster-Carr 94025A160 $5.07/25 1aug02

Adjuster


Stem
1/4" x 6 rod
McMaster-Carr 6' long, 303 stainless 8984K22 $6.88 27oct02

Plate
1/16" steel
McMaster-Carr 2 x 12 x 1/16, 304 stainless w/#3 finish, 9085K11 $6.14 27oct02

Swivel
3/4" rod
stainless

Traveler
3/4" O.D. x 1/2" I.D. tube
stainless

Traveler yoke
3/8" cold rolled steel
Small Parts (same as throat plate)


Knob
Thumb nut, 1/4-20, 3/4 dia. knurled head
McMaster-Carr, 18-8 stainless 91833A134 $3.27 24sep02
(shoulder machined down to 3/8" OD x 1/8")

Thin #4 flat washer, .125" ID, .250" OD, .028" max thickness
McMaster-Carr stainless mil-spec 15795, #803, 98019A309 $6.20/pkg.100 27oct02
or ANSI narrow, e.g. from Small Parts

Tooling


Chamfering end mill, 45 degree
MSC: 3/4 max dia, 3/16 cut width, 3/8 shank HSS 03207487 $27.22 2000

Dovetail end mill, 60 degree
MSC: 1/2" cut dia, 3/8 shank, 7/32 cut width, HSS/TiN 71835326 $37.54 2000

Grobet 8" warding file, second cut
Reid GRO-32-475 $7.87 30oct02

Grobet 8" multi-cut file
Reid APF-14578 $6.33 30oct02

Swiss-pattern file, 6" long warding, cut #2
McMaster-Carr 4259A21 $15.20 24sep02

Swiss-pattern file, 6" long, half-round, cut #3
McMaster-Carr 4248A31 $24.38 24sep02

Swiss-pattern file, 8" long, regular pillar (safe-side), cut #4
McMaster-Carr 4251A38 $16.16 24sep02

3/8 end mill, .045 corner radius, 2-flute SGS 3CR p/n 38251 carbide
MSC 01841261 $22.70 24sep02

3/8 end mill, TiAlN coated (for tool steel)
MSC 00476721, Accupro 3-flute carbide, center-cutting $27.19 24sep02

1/4-40 UNS thread die
MSC 03930401 HSS round split adjustable $9.78 24sep02

Bimetal Plus hacksaw blades
McMaster-Carr 12" x 1/2" x .025", 24 tpi 2476A25 $12.41/10 24sep02

8 oz ball-peen hammer

4 oz ball-peen hammer

5/16 roll-pin punch
MSC 88347059 10aug02

1/4" counterbore with 3/16" pilot
MSC 08790164 piloted counterbore, 1/4", 3/32" pilot shank $16.43 Jan02
MSC 08901126 counterbore pilot, 3/16", 3/32" pilot shank $3.35 Jan02
n.b. this counterbore is slightly oversize