High strength, abrasion-resistant and compact for high-speed & torque use.
[CAUTION1] Even though the bore and the hub portions are masked during the carburization and they can be modified, care should be exercised since the hardness is somewhat higher.
Ground Spiral Miter Gears
(SMSG)
Module
2～5
No. of teeth
( ) denotes shafts angle
20,25,30
Material
S45C
Heat treatment
Teeth Induction Hardened
Tooth surface finish
Ground
Precision
JIS B 1704
2
Secondary Operations
△
Reasonably priced ground gear, yet remachinable except for the gear teeth.
Spiral Miter Gears
(MMSA·MMSB)
Module
1～10
No. of teeth
( ) denotes shafts angle
20
Material
SCM415
Heat treatment
Carburized (bore & hubs are masked)
NOTE1
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
×
Ready to use without performing secondary operations. Strong and abrasion resistant.
[CAUTION] The letters “B” at the end of catalog numbers designate same items except for changes in the bore and keyway sizes.
[CAUTION1] MMSA(B) spiral miter gears are carburized throughout so that they do not permit any secondary operations. However, the back surface of B7 style gears is masked during the process so that it is possible to drill and pin on this surface.
Spiral Miter Gears
(MMS)
Module
2～5
No. of teeth
( ) denotes shafts angle
20,25,30
Material
SCM415
Heat treatment
Carburized
NOTE 1
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
△
Only teeth are induction hardened, allowing user to perform secondary operations elsewhere.
[CAUTION1] Even though the bore and the hub portions are masked during the carburization and they can be modified, care should be exercised since the hardness is somewhat higher.
Spiral Miter Gears
(SMS)
Module
1～8
No. of teeth
( ) denotes shafts angle
20,25,30
Material
S45C
Heat treatment
Teeth Induction Hardened
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
△
Large numbers of teeth and modules are offered in these affordable spiral miter gears.
Hardened Miter Gears
(SMA·SMB·SMC)
Module
1～8
No. of teeth
( ) denotes shafts angle
20,25,30
Material
S45C
Heat treatment
Teeth Induction Hardened
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
△
Usable without remachining, offered in 3 bore sizes.
[CAUTION] The letters “B” and “C” at the end of catalog numbers designate same items except for changes in the bore and keyway sizes.
Carburized & Hardened
Miter Gears (MM)
Module
2～5
No. of teeth
( ) denotes shafts angle
20,25,30
Material
SCM415
Heat treatment
Carburized
NOTE 1
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
△
Compared to SM miters, these are stronger and less abrasive, and allow secondary operations.
[CAUTION1] Even though the bore and the hub portions are masked during the carburization and they can be modified, care should be exercised since the hardness is somewhat higher.
Sintered Metal Miter Gears
(LM)
Module
0.8～1.5
No. of teeth
( ) denotes shafts angle
20
Material
SMF5040
(Equiv. to S45C)
Heat treatment
－
Tooth surface finish
Sintered
Precision
JIS B 1704
5
Secondary Operations
○
Mass-produced, low cost sintered products. Small and light weight.
[CAUTION] Sintered metal Miter Gears are manufactured by mixing powdered metal and pressing them in a mold under heat to fuse, sizing and impregnating with oil.
Miter Gears
(SM)
Module
1～8
No. of teeth
( ) denotes shafts angle
16,20,25,30
Material
S45C
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
○
Popular straight miter for many uses.
Angular Miter Gears
(SAM)
Module
1.5～3
No. of teeth
( ) denotes shafts angle
20（45°,60°,120°）
Material
S45C
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
○
3 types are available for shafts at 45°, 60° and 120°.
Stainless Steel
Miter Gears (SUM)
Module
1～4
No. of teeth
( ) denotes shafts angle
20,25
Material
SUS303
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
○
Suitable for food machinery due to SUS303’s rust-resistant quality.
Finished Bore
Stainless Miter Gears (SUMA)
Module
1～4
No. of teeth
( ) denotes shafts angle
20,25
Material
SUS303
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
3
Secondary Operations
△
Suitable for food machinery due to SUS303’s rust-resistant quality.
Plastic Miter Gears
(PM)
Module
1～4
No. of teeth
( ) denotes shafts angle
20,25
Material
MC901
Heat treatment
－
Tooth surface finish
Hobbed
Precision
JIS B 1704
4
Secondary Operations
○
MC nylon products are light and can be used without lubricant.
Injection Molded
Miter Gears (DM)
Module
0.5～1.5
No. of teeth
( ) denotes shafts angle
20
Material
M90-44
Heat treatment
－
Tooth surface finish
Injection molded
Precision
JIS B 1704
8
Secondary Operations
△
Injection molded, mass-produced products, suitable for office machines.
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