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Tumbler gear mechanism Figure 2.52. Tumbler gear mechanism Tumbler gear
mechanism is used to change the direction of lead screw and feed rod. By
engaging tumbler gear, the carriage can be moved automatically from tailstock
end to ...
2
Manufacturing Technology - II
Figure 2.8 Tumbler Gear Mechanism Lead screw —' Tumbler gear mechanism is
used to change the direction of lead screw and feed rod. By engaging tumbler
gear, the carriage can be moved automatically from tailstock end to headstock
end ...
Dr. R.Kesavan, B. Vijaya Ramanath, 2006
3
Machine Tool Design and Numerical Control,2e
Feed Boxes witb Tumbler Gear (Norton's Gear) This method of changing feed
rates is illustrated in Fig. 2.27. The number of gears, equal to the number of
transmissions is rigidly mounted on driving shaft I. To engage the required
transmission ...
4
Machine Tool Design Handbook
MEANDER DRIVE A Meander drive is a three shaft mechanism made up of a
series of identical double cluster gears and a sliding carrier with a tumbler gear (
Fig. 203 ). Such features as the single lever controls, small axial overall size and
...
5
Organizational Maintenance Manual: Lathe, Engine, Bench ...
95 7 40T TUMBLER GEAR A-32072 ASSEM 30 CIRCULAR SPRING KEY A- 30
390 1 1T TUMBLER PINION A- 32074 3X075 31 KEY SPRING A- 30531 8
HARDENED STEEL DOWEL 3/8 X 2 32 SPRING HOLDER A- 30 397 9
TUMBLER ...
6
A Textbook of Production Technology: Manufacturing Processes
The most widely used design of quick-change gear box is the tumbler gear, (Fig.
8.10). It comprises a cone of gears 1 to 8 mounted on shaft S2. The tumbler gear
can slide on shaft S,. It can mesh with any gear on shaft S2 through an ...
7
TEXTBOOK OF PRODUCTION ENGINEERING
Meander's gear mechanism It is similar to the tumbler gear box mechanism, but
this method of speed regulation is slightly better than the previous one in having
slightly higher speeds and being quite rigid in comparison to tumbler gear box ...
K. C. JAIN, A. K. CHITALE, 2010
8
Official Gazette of the United States Patent Office
In a transmission mechanism having a cone of stepped gears fixed on a first shaft
, a second shaft rotatable about an axis having a gear axially movable thereon,
and a bracket having a tumbler gear engaged with said axially movable gear, ...
9
Official Gazette of the United States Patent Office
with said tumbler-gear, a clutch between said last-named gear and the spindle,
means for driving said tumbler-gear at various speeds, and shifting means
connecting with said pinion and clutch for selectively engaging the clutch~ faces
of said ...
United States. Patent Office, 1913
10
Manufacturing Processes - I
A cutting tool must possess the following property to enable high-speed
machining: (a) hardness (b) red hardness (c) wear resistance (d) hardness and
toughness 14. A tumbler gear is provided on lathes (a) to cut threads (b) to
increase ...
