how to buy the SMR gear box
Gearbox Coding
Gearbox coding
To start with three letters: SMR
Fourth letter, unit size: BCD EFG HJ
Fifth and sixth digits, ratio code: 05 13 20
Seventh digit. signifies assembly: O shaft mounted speed reducer 2 flange mount
Eighth digit: signifies output hub bore required: one typical metric bore. two alternate metric bore.
Illustration
Size e unit twenty:one nominal gear ratio, shaft mounted with typical metric hub bore (55mm): SMR-E2001
It backstop are required, these need to be purchase individually. and must specify the output hub rotation. E.g.: SMR-E2001 full with backstop. during the input shaft side, the output hub’s rotation is in clockwise.
optional Extras
Backstops
A backstop may well be integrated on applications where it really is essential to avoid reversal of rotation. it really is quickly installed within the reducer, by only getting rid of a cover plate
Note: For ratio five: 1 gear box, backstop usually do not advised.
Flange mounting
SMR case layout is such the reducer might be bolted direct to supporting framework. this flange mounting use of the reducer might allow designers to omit a bearing or pillow block, but it does. obviously. remove the uncomplicated belt adjustment feature characteristic of shaft mount.
Note: Normal SMR gearbox don’t drill mount screws. when purchaser want these varieties mount, please specify during the purchase.