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CLASSIFICATION S-E-C--NRF-E--~Tp
CENTRAL ISt TELt~LIGENCEOAGE~z~N
CY
INFORMATION FROM
FOFEIGN DOCUMENTS OR RADIO BROADCASTS
COUNTRY USSR
SUBJECT Economic; Technological - Machine tools,
HOW metal saving
PUBLISHED Daily newspapers
WHERE
PUBLISHED USSR
DATE
PUBLISHED 27 May - 30 Jun 1953
LANGUAGE Russian
or I ITS COy,[.TfoT . ? ..,, x.u.,,a.i ., ...
SOURCE As indicated
REPORT
CD NO,
DATE OF
DATE DIST. /$' Nov 1953
NO. OF PAGES 4
SUPPLEMENT TO
REPORT NO.
SAVE METAL, UTILIZE PRODUCTION RESERVES
IN SOVIET MACHINE TOOL INDUSTRY
DECREASE WEIGHT OF PIPE-PROCESSING MACHINES -- Minsk, Sovetskaya Belorussiya,
13 Jun 53
At the Tbilisi Machine Tool Building Plant imeni Xirov, production of a
multiroller machine for straightening aluminum pipes has been started. In the
process of designing the machine, its weight was cut almost in half, as
compared with the original plan.
The Tbilisi machine too! builders have been very successful in decreasing
the weight of machines with concurrent improvement in their quality. For
example, the weight of a modernized machine tool for pipe threading has been
decreased by 160 kilograms and its speed has been tripled.
The Division of the Chief Designer has completed plans for a new powerful
machine tool for simultaneous two-sided trimming of gas pipes up to 820 milli-
meters in diameter. This is the heaviest machine tool to be produced at the
enterprise. It weighs 55 tons.
NEW MACHINE TOOLS AND TECHNOLOGIES SAVE METAL -- Tbilisi, Zarya Vostoka,
30 Jun 53
Plans for a multiroller straightening machine for straightening aluminum
pipes and round bars have been completed at the Design Division of the Tbilisi
Machine Tool Building Plant imeni Kirov. Plans are now in progress for a new
heavy machine tool for trimming and chamfering pipes. Pipes up to 824 milli-
meters in diameter and 12.3 meters long will be machined on it. The machine
will be approximately 20 meters long and 62 tons in weight.
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Concurrently with the development of new types and models of machine tools,
the designers have modernized Models 914B and 1983 pipe threading machines.
For example, the maximum workplace speed in the modernized Model 914M has been
increased from 89 to 236 rpm and its weight decreased by 160 kilograms. The imum been thatightcanofbethemacmachinehined
400 ki o-
grams.
The production of modernized machine tools is being facilitated by quick-
acting attachments and tools for high-speed metal cutting. For the production
of parts for the new Model 1983M alone, 100 various type-designations rf
attachments and 150 type-designations of special tools are being manufactured.
Mastering the production of the modernized pipe threading machines will
take place in the third quarter 1953. Machine shop No 2 has manufactured
parts for the new machine tools and their assembly will start at the beginning
of July.
Design changes in the manufacture of screw-cutting lathes, the baste type
of product put, out by the plant, will effect a saving of 45 tons of cast iron
per year: 17 tons by changing the design of one flange and 28 tons by
redesigning the bed.
In the tool shop, a 2-year project in restoring shavers is nearing
completion, The shaver is an expensive cutting tool used for precision and
finishing operations. As a result of restoring worn-out shavers, the machine
tool builders will be able to save 150,000 rubles in 1953.
SAVE METAL THROUGH NEW DESIGNS -- Kiev, Pravda Ukrain , 5 Jun 53
It was formerly considered unwise to allow machine tool units to protrude
beyond the bed to which they were fastened. In reanalyzing the function of
the bed, designers at the Kiev Machine Tool and Automatics Plant imeni Gor'kiy
have come to the conclusion that it is permissible for the units to overhang
the bed. As a result, the length and width of the bed have been decreased and
its weight has been reduced.
The bed- of automatics and semiautomatics have many partitions which form
compartments for the coolant, lubricant, and working liquid in the machine-
tool hydraulic 3ys:em. A more effective arrangement of the partitions and a
decrease in their number has also allowed a reduction in the weight of the
bed.
In the beds of older models, the oil duct was in the form of a cast
channel, This complicated the design of the bed and added weight to it.
Lightweight tubes have been substituted for carrying oil, and the thickness of
the bed walls has been decreased from 25 millimeters to 16. As a result, a
saving of 100 tons of cast iron per year will be made.
Because of the change in design, four machine-tool beds can now be made
from the same quantity of cast iron formerly required for three beds.
The development of a screw conveyer for removing chips is an example of
increasing'the efficiency and decreasing the weight of automatics. The slat
conveyer used formerly contained 934 parts, but the new screw conveyer has
only 180 parts and weighs 400 kilograms less.
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On heavy four- and six-spindle automatics, the operator had to turn the
gears by hand in setting up the machine tool. Now, a special electric motor
does the work.
Signal~.ig lamps have been installed on machine tools; these ?amps indi-
cate that the machine needs lubrication or that the bar has been spent.
Spindle bearings have been replaced by new two-row roller bearings with a
tapered internal hole. This makes it possible to regulate the radial play
and to eliminate vibration during high-speed cutting.
Designers 'modernized the single-spindle pipe automatic, reducing it;
weight by 288 kilograms, and under the direction of Tereshchenko redesigned
th heavy four-spindle automatic. As a result, the weight of the machine
was decreased by 4,413 kilograms. A new heavy four-spindle semiautomatic.
with all housings redesigned, was built on the basis of this machine. It
weighs 3 tons less than the basic machine. The weight of a new six-spindle
bar automatic has been decreased by 900 kilograms and its operating qualities
have been improved.
In other machine tools, the substitution of high-strength cast iron
parts for bronze parts has aided in saving nonferrous metal.
Recently a ooperative effort between the plant and the Kiev Polytechmical
Institute has been set up. A. Farber, docent, is helping in the modernization
of machine tools in connection with the application of power methods of cutting.
M. Orlikov, Candidate of Technical Sciences, in cooperation with Workers of the
plant leboratory for testing machine tools, is doing research on the s..caracy
of machinirg parts on automatics.
'BE HIDDEN RFSERVE4 =- Moscow, Vechernyaya Moskva, 27 May 53
The Moscow Attachments Plant of the Ministry of Machine Building LUSH
completed the 1952 program on 20 December, exceeded the plan for decreasing
the cost of production, and made a profit of 464,000 rubles in excess of plan.
However, in 1952, losses due to rejects cost the plant 212,000 ruble::,
losses suffered in the sale of goods, 65,000 rubles; and losses of the communal
housing divisi.on reached 64,000 rubles.
Measures have been taken to eliminate rejects and utilize hidden_ reserves.
For example, metal has been saved and rejects eliminated by developing a multi-
tool head in cutting the spirals of disks for lathe chucks,
Reducing overhead expenditures has been a means of achieving considerable
savings. For example, in 1952, this expenditure was 322 rubles per thousand
rubles of gross-production costs. In 4 months of 1953, overhead expenditures
have been reduced to 266 rubles per thousand. The hidden reserve lay in better
organization of production and control. -- P. Khodorov, director, Moscow
Attachments Plant
SUPPLY P00R?QrALITY CASTINGS -- Moscow, Moskovskaya Pravda, 16 Jun 53
In the first 4 months of 1953, the Moscow Stankolit Plant nuppl.ied the
Moscow Attachments Plant with 121,000 rubles of poor-quality castings for
lathe chucks. The defect was diucovered after the parts had been machined.,
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DECREASE LABOR CONSUMPTION IN MANUFACTURE OF BORING MACHINE - Vilmnyu5,
Sovetskaya Litva, 28 May 53
One of the most labor-consuming tasks in the manufacture of heavy boring
machines produced by the Leningrad Palant imeni Sverdlov is the manufacture of
racks. Fro- 8 to 11 racks go into ech machine tool, Solov'yev, one of the
better lathe operators at the plant, employing high-speed methods, had been
able to put out only two racks per shift.
By using a special attachment developed by him with the cooperation of
V. Berezovsk, engineer, and A. Antonov, technologist, he was able to put out
five racks in one shift. Not only has this innovation made it p'etble to
increase labor productivity, but the racks are now cut with greater precision,
as a result of which the time for the subsequent scraping operation has
dropped to one third.
In utilizing production reserves, plant personnel have decreased tb.
labor consumption in the manufacture of a series-produced boring machine by
220 hours, as compared with 1952.
WORN-OUT MACHINE TOOLS REPAIRED -.' Tbilisi, Zarya Vostoka, 27 May 53
In 1953, the machine shop of the Tbilisi Stanok Plant has restored the
following broken-down machine tools: two DIP.200 screw-cutting lathes for
the Moscow Krasnyy Proletariy Plant imeni Yefremov, one Medel 526 machine
tool with the Saratov Gear Shaper Plant trademark, and one Model 514 gear
slotter for the Kharkov Light-Duty Unit-Type Machine Tool Plant [Model 514
is built by the Yegor'yevsk Komsomolets Machine Tool Plant, according to
Moskovskav~s Pravda of 19 March 1950
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