JPS5775751A - Speed change of main spindle in nc lathe - Google Patents
Speed change of main spindle in nc latheInfo
- Publication number
- JPS5775751A JPS5775751A JP55153372A JP15337280A JPS5775751A JP S5775751 A JPS5775751 A JP S5775751A JP 55153372 A JP55153372 A JP 55153372A JP 15337280 A JP15337280 A JP 15337280A JP S5775751 A JPS5775751 A JP S5775751A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- speed change
- main spindle
- output shaft
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Gear-Shifting Mechanisms (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
PURPOSE: To provide speed change gear, in which an AC pole change motor and synchromesh transmission are utilized for strength against torque change and smooth operation of speed change.
CONSTITUTION: Rotary motion of an AC pole change motor 1 is transmitted to a transmission 2 of synchromesh type, output shaft 8, auxiliary transmission 16 and main spindle 18 of an NC lathe. To the output shaft 8 in the transmission 2 and counter shaft, speed detecting sensors are provided respectively to detect each of the rotary speeds, and both of the shafts are synchronously controlled while comparing this detection value with a preset value. In accordance with the command in an NC control unit at the point of synchronized time, speed of the main spindle is changed by controlling clutch means CR1, CR2 in the auxiliary transmission 16, brake disc 9 provided in the output shaft 8 of the transmission 2 and a speed change lever 3.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55153372A JPS5835826B2 (en) | 1980-10-30 | 1980-10-30 | Main spindle transmission of NC lathe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55153372A JPS5835826B2 (en) | 1980-10-30 | 1980-10-30 | Main spindle transmission of NC lathe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5775751A true JPS5775751A (en) | 1982-05-12 |
JPS5835826B2 JPS5835826B2 (en) | 1983-08-05 |
Family
ID=15561010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55153372A Expired JPS5835826B2 (en) | 1980-10-30 | 1980-10-30 | Main spindle transmission of NC lathe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5835826B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61167722U (en) * | 1985-04-04 | 1986-10-17 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4840124A (en) * | 1971-09-25 | 1973-06-13 |
-
1980
- 1980-10-30 JP JP55153372A patent/JPS5835826B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4840124A (en) * | 1971-09-25 | 1973-06-13 |
Also Published As
Publication number | Publication date |
---|---|
JPS5835826B2 (en) | 1983-08-05 |
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