PRICES include / exclude VAT
Sponsored link
immediate downloadReleased: 1959-05-15
BS 978-2:Addendum No. 1:1959
Gears for instruments and clockwork mechanisms. Cycloidal type gears. Double circular arc type gears
Format
Availability
Price and currency
English Secure PDF
Immediate download
151.20 EUR
You can read the standard for 1 hour. More information in the category: E-reading
Reading the standardfor 1 hour
15.12 EUR
You can read the standard for 24 hours. More information in the category: E-reading
Reading the standardfor 24 hours
45.36 EUR
English Hardcopy
In stock
151.20 EUR
| Standard number: | BS 978-2:Addendum No. 1:1959 |
| Pages: | 8 |
| Released: | 1959-05-15 |
| ISBN: | 0 580 34084 8 |
| Status: | Standard |
DESCRIPTION
BS 978-2:Addendum No. 1:1959
This standard BS 978-2:Addendum No. 1:1959 Gears for instruments and clockwork mechanisms. Cycloidal type gears. is classified in these ICS categories:
- 21.200 Gears
This specification relates to spur and helical gears with pitches of 0.15 to 0.7 mm module inclusive, the basic rack of the system having a normal tooth profile composed of two circular arcs.
Basic rack tooth shape and modules from 0.150 mm to 0.700 mm inclusive. Limits of tolerance for tip diameter, pitch, tooth thickness, profile, axial and radial run-out and centre distance; cutters for pinions with from six to twelve teeth.