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Russian Precision Metal-Cutting Machines

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Russian Precision Metal-Cutting Machines SREDNEVOLGSKY STANKOZAVOD LTD. FEDERAL STATE UNITARY ENTERPRISE FEDERAL RESEARCH AND PRODUCTION CENTER «PA «START» named after M.V.PROTSENKO» HIGH-QUALITY SOLUTIONS IN THE FIELD OF METAL- WORKING RUSSIAN PRECISION METAL-CUTTING MACHINES www.svsz.ru www.startatom.ru SREDNEVOLGSKY STANKOZAVOD LTD. TECHNOLOGICAL CAPABILITIES OF SREDNEVOLGSKY STANKOZAVOD LTD. The Srednevolgsky stankozavod Ltd. was established in 1876. It is one of the oldest machine building enterprises, not only in Russia, but also in the world. During more than 100 years the plant has produced more than half a million of lathes. Legendary models of machines 1А616 and 16B16 are still respected by turner for its high reliability, easy operation and high processing accuracy. The plant was the first in the USSR to master the production of CNC machines. Srednevolgsky stankozavod Ltd. has all the technological competencies for production of high precision lathes. The Machine Plant range of products includes more than 200 units of technological equipment which enables high-pre- cision machining of large pieces of casting, gear process- ing, ultra-precise finishing operations of surface grinding of spindles, shafts, gears, precision boring operations. All me- chanical components of machines, including base frame, spindle assembly, stand, tailstock are made directly at the facilities of Srednevolgsky stankozavod Ltd. To ensure the required accuracy and its long-term opera- tion, all basic parts of machines are subjected to various stabilization of geometrical sizes (natural and artificial ag- ing), bed guides of high quality cast iron are heat treated at high frequency current installations. Critical parts of ma- chines (spindles, quill, lead screws, gears, etc., are made of alloy steels which are subjected to various heat treatment methods, including ionic and gas nitriding, nitrogen and ionic carbonization, etc. When manufacturing critical and basic parts, the follow- ing is widely used: ultra-precise grinding, gear-grinding and thread-grinding machines and other advanced equipment. The plant metrological service using advanced inspection instruments, for example, laser interferometers, profilers, different types of microscopes, hardness measuring instru- ments, etc. contributes to stable product quality. The basic principle during assembly and installation of the products is subassembly and bench assembly with wide running-in of assembled units. To reduce noise and vibra- tion, the main motion drive components and individual parts are dynamically balanced. Finished machines are tested for reliability, rigidity and running under power (cut- ting1). At present, the plant is completely focused on the produc- tion of machines with precision accuracy classes А, В and П according to GOST 8-82. The plant is the only Russian manufacturer of ultraprecision lathes. 2 HIGH-QUALITY SOLUTIONS IN THE FIELD OF METALWORKING FEDERAL STATE UNITARY ENTERPRISE FEDERAL RESEARCH AND PRO- DUCTION CENTER «PA «START» named after M.V.PROTSENKO» TECHNOLOGICAL CAPABILITIES OF PRODUCTION ASSOCIATION “START” Production Association “Start” is the largest enterprise in the Penza Oblast, one of the leading and dynamically de- veloping instrument-making enterprises of the State Cor- poration “Rosatom”. The enterprise manufactured its first product on June 30, 1958 and since then it has been con- stantly developing, increasing production capacity and im- proving the used technology. Manufacture of machines at PA “Start” has a long histo- ry. In 1993, the company has produced the first batch of mills. Over the next ten years production of nine types of small lathes, mills and woodworking machines, including mills with program control, has been established. Several hundred pieces of equipment have been exported to the countries of Western Europe. To date, the company assembles lathe with operational control system Samat 400 “VECTOR” and its modifications. In addition to the assembly of components supplied by Srednevolgsky stankozavod Ltd., the enterprise special- ists perform final machining, manual scouring of parts re- sponsible for ensuring kinematic accuracy, adjustment and monitoring of a finished machine. During scouring of stand, carriage, seats of drives, headstock and tail stock, the sur- face-to-surface accuracy of the machine parts is not more than 3 µm to ensure the workpiece noncylindricity of not more than 5 µm. About 20 special precision devices and instruments are used for machine control during assembly. To ensure the absolute quality of the produced machines, Srednevolzhskiy Machine Plant and Production Associa- tion “Start” have decided to almost completely localize the component production at their own facilities. Strate- gic partnership of Federal State Unitary Enterprise Federal Research and Production Center «PA «START» named after M.V.Protsenko» and Srednevolgsky stankozavod Ltd. is a new stage of development of Srednevolgsky stankozavod Ltd.. Joint production of new products, lathe with opera- tional control, has been set. New ultraprecision machines are being designed. New systems for mechanical working of parts and assembly of machines are being commissioned. The Partnership plans to enter foreign markets in Europe, Africa, America 3 SREDNEVOLGSKY STANKOZAVOD LTD. MULTIPURPOSE MACHINES MULTIPURPOSE Lathes MACHINES WITH PROGRAM CONTROL Multipurpose machines with CNC lathes operational program control SPECIAL MACHINES Special machines Turning and backing machines 4 HIGH-QUALITY SOLUTIONS IN THE FIELD OF METALWORKING FEDERAL STATE UNITARY ENTERPRISE FEDERAL RESEARCH AND PRO- DUCTION CENTER «PA «START» named after M.V.PROTSENKO» SERIES OF MULTIPURPOSE LATHES WITH OPERATIONAL PROGRAM CONTROL SAMAT 400 «VECTOR» RUSSIAN PRECISION METAL-CUTTING MACHINES FUNCTIONS OF OPERATIONAL CONTROL SYSTEM Ergonomic stand-alone remote control panel Number of controls is significantly reduced. Controls are in the visibility zone of the part processing. Machine “Vector” has a wide range of standard programs (microcycles), excluding the monotone operations. Thread Sphere Cone Draft picks 5 SREDNEVOLGSKY STANKOZAVOD LTD. MULTIPURPOSE LATHE WITH OPERATIONAL PROGRAM CONTROL “VECTOR” Series of multipurpose lathes with miniprogram (operational) control includes models Samat 400 ХС, SC, MC with a maximum turning diameter over bed of 400 mm and center to center distance of 500, 750 and 1000 mm. The machines are equipped with original control system on the basis of program controller and motion drives along X and Z axes by Japanese company OMRON. They are available in two versions: accuracy class П (increased) and accuracy class B (high) according to GOST 8-82. During the machine delivery, commissioning and operator training are performed. The machines are designed for a variety of turning operations for sole, small batch and mass production. Retaining all the advantages of a multipurpose machine, the machine allows automatic operation: the program can be saved during processing of the first details by the operator, or it can be entered using a wide range of micro cycles. When equipped with 4- or 8-position heads, the machine can be used for large scale and mass production. EQUIPMENT: - operative control system based on the programmable controller; - tool holder Multifix, with replaceable cartridges (4 pcs.); - automatic 4-position tool head; - self-centering scroll chucks with 3 and 4 cams; - rack to cartridge; - collet sleeve; - reducing bushing; - collets (outer diameter clip); - collets (inner diameter clip); - drill chuck; - reducing bushings for holding tools with taper shank Morse GOST 18598 -85; - dead center Morse 5, 6; - running center Morse 5; - fixed rest; - rubber anti-vibration supports; - set of tools and spare parts for machine maintenance; - packaging; - commissioning and operator training. 6 HIGH-QUALITY SOLUTIONS IN THE FIELD OF METALWORKING FEDERAL STATE UNITARY ENTERPRISE FEDERAL RESEARCH AND PRO- DUCTION CENTER «PA «START» named after M.V.PROTSENKO» SERIES OF MULTIPURPOSE LATHES WITH OPERATIONAL PROGRAM CONTROL SAMAT 400 «VECTOR» Tolerance, µm, for accuracy classes Parameter П В Out-of-roundness, max 7 2.5 End straightness, max 10 6 Spindle radial runout, max 7 5 ADVANTAGES - high performance - ability to process automatically; - easy operation - fast training of operators; - intuitive interface; - wide range of micro cycles - longitudinal turning, boring holes, all kinds of cutting, cone, sphere, etc.; - different tool equipping; - optimization of cutting conditions with a stepless spindle speed; - easy operation similar to conventional multipurpose lathe; - does not require special programming skills; - learning mode reduces time for program preparation Model SAMAT 400 Technical characteristics ХС SC МС Machine accuracy class according to GOST 8-82 П / В Maximum diameter of workpiece installed above base frame, mm 400 Maximum diameter of workpiece installed above stand, mm 220 Maximum length of installed workpiece, mm: 500 750 1000 Diameter of hole in spindle, mm 45 Height of tool in tool holder, mm 25 Conical hole in spindle Morse 6 Conical hole of tailstock quill Morse 5 Number of spindle speeds Stepless Range of spindle speed, rpm 25-2500 Maximum spindle torque, Nm 135 Feed per revolution limits, mm/rev: - longitudinal 0,01-9,99 - transverse 0,005-4,99 Speed of rapid moves in automatic/manual mode, mm/min: - longitudinal 7000/6000 - transverse 3500/3000 Increment in manual mode, mm - longitudinal 0,01 - transverse 0,005 Limits of cut thread steps: - metric, mm ОД-56 - inch,
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