Betekenis van:
helical

Voorbeeldzinnen

1. Helical springs:
2. Iron or steel hot-worked helical springs
3. Gear boxes for stationary equipment, spur and helical gear boxes
4. Iron or steel cold-formed helical coil compression springs
5. Gear boxes ..., bevel and bevel/spur and helical gearboxes
6. Iron or steel cold-formed helical coil tension springs
7. Gear boxes for stationary equipment, spur and helical gearboxes
8. molecular pumps comprised of cylinders having internally machined or extruded helical grooves and internally machined bores;
9. Digital instrumentation magnetic tape data recorders employing helical scan techniques or fixed head techniques and having any of the following:
10. Iron or steel springs (excluding leaf-springs and leaves therefor, helical springs, flat spiral springs, discs springs)
11. Positive displacement pumps, rotary (including peristaltic, rotary lobe and helical rotor pumps) (excluding hydraulic units, gear pumps, vane pumps, screw pumps)
12. "Numerically controlled" or manual machine tools, and specially designed components, controls and accessories therefor, specially designed for the shaving, finishing, grinding or honing of hardened (Rc = 40 or more) spur, helical and double-helical gears with a pitch diameter exceeding 1250 mm and a face width of 15 % of pitch diameter or larger finished to a quality of AGMA 14 or better (equivalent to ISO 1328 class 3).
13. ’Energetic particle beam finishing’ uses Reactive Atom Plasmas (RAP) or ion-beams to selectively remove material. 2B003 "Numerically controlled" or manual machine tools, and specially designed components, controls and accessories therefor, specially designed for the shaving, finishing, grinding or honing of hardened (Rc = 40 or more) spur, helical and double-helical gears with a pitch diameter exceeding 1250 mm and a face width of 15 % of pitch diameter or larger finished to a quality of AGMA 14 or better (equivalent to ISO 1328 class 3).
14. For the purposes of 2B002, MRF is a material removal process using an abrasive magnetic fluid whose viscosity is controlled by a magnetic field. 2B003 "Numerically controlled" or manual machine tools, and specially designed components, controls and accessories therefor, specially designed for the shaving, finishing, grinding or honing of hardened (Rc = 40 or more) spur, helical and double-helical gears with a pitch diameter exceeding 1250 mm and a face width of 15 % of pitch diameter or larger finished to a quality of AGMA 14 or better (equivalent to ISO 1328 class 3). 2B004