AMPC-C_US-EN

REAMING | ALVAN® Reaming Systems by S.C.A.M.I.

RH

Replaceable Head Mandrels 7000 Series | AR Upper Receiver | Diameter Range: 1.0000" - 1.1875" (25.400 mm - 30.163 mm)

A

DRILLING

L 1

L 2

D 1

D 2

B

BORING

D 1

Mandrel

Part No.

L 2 (in)

L 1 (in) 11.65 10.63

D 2 (in)

Imperial (in)

Metric (mm)

No. of Teeth

7000 Series

7000-MC-AR10 7000-MC-AR15

1.1875 1.0000

30.163 25.400

9.65 8.66

0.75 0.75

6 6

Achieve the long length of cut and surface finish you need.

C

REAMING

D

CASE STUDY | AR15 Upper Receiver

BURNISHING

Material: 6061 T6 Aluminum

SURFACE FINISH no burnishing required 32

Carbide-Tipped Chucking Reamer

ALVAN® Replaceable Head Reamer

Ra

Measure

RPM

1146

2559

123% SPEED 150% FEED 84% CYCLE TIME 65% TOTAL COSTS

Speed Feed In

300 SFM

670 SFM

E

0.018 IPR (20.6 IPM) 0.018 IPR (20.6 IPM)

0.045 IPR (115 IPM) 0.090 IPR (230.3 IPM)

Feed Out

THREADING

Finish

63 Ra

32 Ra None

Follow-Up Process

Roller Burnish

Cycle Time

0:00:55

0:00:09

Cost Per Hole

$0.77 3,500

$0.26 3,500

Total Parts Total Cost

$2,691.18

$933.84

X

C: 68 - 87

C: 13 - 14

C: 15 - 16

C: 60 - 65

C: 88

SPECIALS

Key on C: 1

ApplicaƟon recommendaƟon: • Through hole applicaƟon = radial coolant • Blind hole applicaƟon = central coolant

www.alliedmachine.com | 1.330.343.4283

C: 19