GB548533A - Improvements in or relating to machines for drilling diamonds - Google Patents
Improvements in or relating to machines for drilling diamondsInfo
- Publication number
- GB548533A GB548533A GB324741A GB324741A GB548533A GB 548533 A GB548533 A GB 548533A GB 324741 A GB324741 A GB 324741A GB 324741 A GB324741 A GB 324741A GB 548533 A GB548533 A GB 548533A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spindle
- driven
- lever
- tool
- spindles
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
- B28D5/021—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Transmission Devices (AREA)
Abstract
548,533. Drilling machines. GRODZINSKI, P. March 10, 1941, No. 3247. [Class 83 (iii)] A diamond drilling machine comprises an axially movable rotary spindle 10 carrying a needle 15 and a work spindle 3 rotating in the opposite direction to the tool, both spindles being driven by belt gearing arranged to avoid lateral strains on the spindles. A lower extension of the column 1 carries a bushing 4 coned internally to coact with corresponding cones on the work-spindle 3 which is feathered to an inturned flange on a driving pulley 9 mounted on a ballbearing 8. The needle spindle is journalled in two long bearing bushes 11, 12, which jointly form a bearing for a driving pulley 14 carrying a key engaging a long keyway on the spindle the bushes have taper portions engaging corresponding parts on the frame and are adjusted by nuts 13a, 13b. The pulleys are driven in opposite directions by a continuous belt 21 from a driving shaft 20, Fig. 5. The axial reciprocation of the tool is controlled by a collar 16 on the spindle coacting with a loose sleeve pivoted to a lever 25 operated through an adjustable connection 28 from a lever 23 actuated by a cam 19 driven from the shaft 20. The movement of lever 23 may be limited by a screw 27. In a modification the machine may be arranged horizontally, Fig. 6, the tool and work spindles being driven by open and crossed belts from a countershaft 29. In another modification the axial movement of the spindle may be produced by an intermittentlyacting solenoid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB324741A GB548533A (en) | 1941-03-10 | 1941-03-10 | Improvements in or relating to machines for drilling diamonds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB324741A GB548533A (en) | 1941-03-10 | 1941-03-10 | Improvements in or relating to machines for drilling diamonds |
Publications (1)
Publication Number | Publication Date |
---|---|
GB548533A true GB548533A (en) | 1942-10-16 |
Family
ID=9754720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB324741A Expired GB548533A (en) | 1941-03-10 | 1941-03-10 | Improvements in or relating to machines for drilling diamonds |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB548533A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591298A (en) * | 1950-06-01 | 1952-04-01 | William E Roux | Equipment for use in the manufacture of drawing dies |
DE1135357B (en) * | 1953-07-31 | 1962-08-23 | Etude Et D Expl Du Palier Flui | Arrangement for drilling hard bodies, for example watch stones, with a drilling spindle driven by a pressure medium |
-
1941
- 1941-03-10 GB GB324741A patent/GB548533A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591298A (en) * | 1950-06-01 | 1952-04-01 | William E Roux | Equipment for use in the manufacture of drawing dies |
DE1135357B (en) * | 1953-07-31 | 1962-08-23 | Etude Et D Expl Du Palier Flui | Arrangement for drilling hard bodies, for example watch stones, with a drilling spindle driven by a pressure medium |
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