Used Slide Grinding Machine for sale (69,321)

Condition: new, Machine type: Trough vibrator TV45 Shown: TV45 including sound insulation and WS25 for component separation Manufacturer: Eurotec Innovation GmbH Rated speed: 1500 rpm Gross volume: 115 liters Inner length container: 850 mm Inner width container: 380 mm Inner height of the container: 395 mm Supply line: 400V - 16A - 50Hz APPLICATION AREAS: - Deburring, smoothing and polishing - Descaling, derusting and cleaning - Rounding edges - Finishing of surfaces Lodpfxsf Sqdts Akfjrk BENEFITS: - Wiper edge to reduce component build-up on the inner wall of the container - Particularly economical, even if used only occasionally - Optionally available as a version for pressure deburring and ball polishing - Robust construction with a low-maintenance vibration motor - Integrated holder for lifting and moving the system using a lift truck or forklift truck - Quick emptying of the container and changing of abrasives thanks to a large drainage opening for abrasives - Quick-change drainage sieve made of polyurethane - Rubber-cushioned feet to reduce the transmission of vibrations The stated price is net plus 19% sales tax and plus freight. A suitable switchgear is required to operate the system. The pictures show the system including accessories, which are optionally available. The price refers to the basic machine (TV45) ----- Please just contact us, we will be happy to advise you without obligation. ----- The European Commission provides a platform for out-of-court online dispute resolution (OS platform). The offer serves exclusively as an internet presentation of our goods. The contract negotiation comes about by means of telecommunication (email, fax, telephone, news portal), where we first make you a non-binding offer, in which we inform you about our general terms and conditions and the right of withdrawal with imprint before the purchase / contract is concluded.

Condition: ready for operation (used), Slideway grinding machine SFBZ 1800x4000 Length of grinding max, mm 4000 Ljdpfeuug A Eox Akfork Width of grinding max, mm 1800 Dstance between column mm 2200 Height of grinding max, mm 1250 Table size, mm 4000 x 1800 Grinder wheel size max, mm 630 x 100 x 305 Weight of workpiece max, kg 15000 Weight of machine, kg 56.000

Condition: used, grinding length 4000 mm grinding width 1450 mm workpiece height 1250 mm control Siemens 840 D workpiece weight 11000 kg column daylight 1460 mm table surface area 4000 x 1250 mm table feed 1 - 45 m/min cross rail - adjustment 1250 mm total power requirement 40 kW dimensions of the machine ca. 12,3 x 6 x 4,8 m Lrodpfx Asy A Tacekfsk Equipment/Accessories: - 1 universal grinding support, 7.5 kW Swivel range grinding spindle +/- 110° grinding disc dimensions Ø 500 x 60 mm Vertical adjustment 350 mm with puller - 1 peripheral grinding support, 22.5 kW Grinding wheel dimension Ø 600 x 100 mm Vertical adjustment 150 mm with puller - with 6 magnetic plates arranged on the table - seperate clamping table - various grinding wheels and flanges - Technical documentation

Condition: excellent (used), x: 3200mm y: 1500mm z: 1000 CNC FAGOR 8050 (7 axes) Lrjdpjwrx U Djfx Akfok

Condition: reconditioned (used), grinding length: 11,500 mm, distance between stands: 2,680 mm, grinding height: 2,000 mm, year of last overhaul: 2015, Surface grinder overhauled and retrofitted in 2015. CNC FANUC 31i model A Lrjdpfsyyb Amox Akfek Tangential head and tilting vertical head.

Condition: used, functionality: fully functional, Guideway and surface grinding machine WMW FRITZ HECKERT type SZ 1600 x 1000 x 5000 /4 nominal grinding area 5000 x 2200 mm table clamping area 5000 x 1600 mm grinding length max. 5000 mm Machining width 2200 mm Machining height 1250 mm grinding wheel diameter (surface grinding support) max. 600 mm grinding wheel width (flat grinding support) max. 100 mm grinding wheel diameter (swivel support) max. 450 mm Mains connection 400 Volt, 50 Hz - grinding support swiveling, drive power 16,5 kW, infinitely variable speed - grinding support for surface grinding, drive power 15 kW, infinitely variable speed Lredsywyzvjpfx Akfjk - new electrical control, based on CNC SIEMENS 840D - new electric control cabinet - infinitely variable grinding wheel speed at both grinding supports - swiveling wheelhead for guideway and profile grinding - swivel-mounted and height-adjustable control panel - coolant system - oil circulation lubrication - Various grinding wheels and holders

Condition: used, Year of construction: 1983, grinding length 8400 mm grinding width 1450 mm workpiece height 1250 mm surface area 8000 x 1250 mm table height over floor 920 mm distance between columns 1470 mm workpiece weight max. 59700 kg weight of the machine ca. 59,7 t dimensions of the machine ca. 22 x 5 x 5 m Adjustment ranges: -Crossbeam, vertical 1250 mm -Grinding support, horizontal 3100 mm Adjustment speeds: -Machine table (X-axis) infinitely variable 1-45 m/min Table creep speed 5 m/min -Grinding support, horizontal (Y-axis) Rapid traverse 3000 mm/min Feed, step 0.001-0.099 mm Feed rate, continuous 100-3000 mm/min Creep speed 18+1 mm/min Tip infeed 0.001-0.019 mm Lrodpevr Hgvefx Akfok -Crossbeam (W-axis) Rapid traverse 410 mm/min Table drive: -Oil transmission, Type Iv4 -Cylinder-Ø 185 mm -Piston rod Ø 130 mm -Drive motor 22 kW

Condition: used, Year of construction: 1986, grinding length 5000 mm grinding width 2500 mm workpiece height 1600 mm Lredeyqu A Hepfx Akfsk column daylight 2680 mm Passage height 1720 mm table surface area 5500x2240 mm T-slot - distance 250 mm T-slot - width 36H12 mm T-slots 9 workpiece weight 50.000 kg table speed -stepless- 1-40 m/min grinding motor 22 kW turning speeds 960 U/min total power requirement 146 kW weight of the machine ca. 140 t dimensions of the machine ca. 17,5x10,5x6,6 m Peripheral grinding support: 960 rpm, 22 kW Universal grinding support: 7 kW, 500-2900 rpm Crooked grinding device The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: used, grinding length 4000 mm grinding width 1450 mm workpiece height 1250 mm column daylight 1500 mm Passage height 1420 mm table surface area 4240x1250 mm T-slot - distance 160 mm T-slot - width 28H12 mm T-slots 10 workpiece weight 20.000 kg table speed -stepless- 1-50 m/min grinding motor 22 kW turning speeds 960 U/min total power requirement 125 kW weight of the machine ca. 67 t dimensions of the machine ca. 13,2x7,8x5,1 m Peripheral grinding support: 960 rpm, 22 kW Universal grinding support: 7 kW, 500-2900 rpm Lrodsyqr Ugopfx Akfok Dressing device The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: used, Year of construction: 2000, functionality: fully functional, grinding width: 2,600 mm, workpiece weight (max.): 35,000 kg, grinding length: 12,000 mm, distance between stands: 2,800 mm, grinding height: 1,600 mm, Portal Grinding Machine 12x2.6m Brand: GIORIA Year:2000 Controller: Siemens 840C (twin operator panel with HPU) Table: 12.500 x 2.600mm Heigh feed: 1.600mm Hydrostatic table Including grinding disc etc. Ledswql H Dspfx Akfsrk

Condition: good (used), Year of construction: 2015, operating hours: 250 h, functionality: fully functional, For Sale: Guideway Grinding Machine (Retrofitted from Metal Planing Machine) We offer a robust guideway grinding machine, which has been professionally converted from an original metal planing machine. The main advantage lies in its relatively compact footprint in relation to the workpiece capacity. Technical Specifications: • External dimensions (LxWxH): 4,800 x 2,500 x 2,000 mm • Required floor space: 4,800 x 3,500 x 2,700 mm (+ control cabinet, coolant tank, access) • Table size: 2,000 x 800 mm • Distance between columns: 1,000 mm Lrodpoxx Uudefx Akfek • Travel paths (X/Y/Z): 2,000 / 1,000 / 600 mm Upgrades & Features: • New ball screw spindles and bearings • 2 new motors + 2 overhauled motors • 3 new frequency inverters • New Siemens SINUMERIK 802C baseline CNC system • Large grinding spindle: 2,840 rpm – refurbished + new motor • Small grinding spindle: 18,000 rpm – refurbished • Including control cabinet, coolant tank with pump, and separate, wall-mounted inverter for small spindle Inspection and trial run possible by appointment. Please contact us for more information.

Condition: excellent (used), Year of construction: 1988, operating hours: 1,000 h, functionality: limited functionality, machine/vehicle number: 99223, overall weight: 2,800 kg, Grinding Dia: min=0.8 to max 250 mm; Vertical stoke : 90 mm; Max. travel of the grinding head :300 mm Table size :320x600 mm; Max stroke of the table Tranversal 250 mm, Longitudinal 400 mm; Electric motor speed 80000 rpm, Pneumatic 180000 rpm. Dimensions 1585x1260x2665 mm, Weight: 2800 kg Ledsxvccdspfx Akfsrk

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, machine/vehicle number: MGB1320E, center height: 180 mm, workpiece weight (max.): 100 kg, grinding length: 500 mm, grinding wheel diameter: 400 mm, total width: 14,150 mm, total length: 18,000 mm, total height: 14,750 mm, grinding diameter: 320 mm, workpiece length between centers: 350 mm, grinding wheel width: 50 mm, spindle speed (max.): 3,000 rpm, feed length X-axis: 500 mm, feed length Z-axis: 150 mm, feed rate X-axis: 10 m/min, feed rate Z-axis: 1 m/min, overall weight: 2,100 kg, workpiece spindle speed (max.): 400 rpm, Equipment: rotational speed infinitely variable, Beijing Second Machine Tool Beijing Second Semi-automatic High Speed Cylindrical Grinding Machine MBS1320E On-line production equipment; test machine available; roundness within 0.001 beier machine tool works co ltd Online production equipment Lredpfetr Azkox Akfjk machine testing available The roundness within 0.001

Condition: ready for operation (used), Year of construction: 2021, functionality: fully functional, grinding length: 1,600 mm, grinding width: 500 mm, workpiece weight (max.): 900 kg, grinding wheel diameter: 355 mm, rapid traverse X-axis: 1 m/min, travel speed (max.): 25 mm/min, TECHNICAL DETAILS Table size: 500 x 1,600 mm Max. grinding area: 500 x 1,600 mm Max. distance from spindle center to worktable: 600 mm Load capacity (with magnetic chuck): 900 kg Axis parameters Longitudinal feed speed: 5–25 m/min Cross rapid traverse (X-axis): 50–1,000 mm/min Cross feed, incremental: 1–20 mm/stroke Cross hand feed (MPG): 0.005 mm/click Vertical rapid traverse (Z-axis): 50–500 mm/min Vertical automatic feed: 0.005–0.04 mm/stroke Vertical hand feed (MPG): 0.005 mm/click Grinding wheel Dimensions (outside diameter x width x bore): 355 x 20~50 x 127 mm Spindle speed: 1,440 rpm Drive capacities Spindle motor: 7.5 kW Hydraulic pump motor: 3 kW Servo motor, cross feed: 0.5 kW Servo motor, vertical feed: 2 kW Coolant pump: 0.125 kW Lubrication pump: 0.06 kW Total connected load: 14 kVA MACHINE DETAILS Dimensions & weight Required installation space: 7,120 x 2,550 mm Height: 2,700 mm Machine weight: approx. 6,000 kg Ljdsyymkcopfx Akferk EQUIPMENT PLC + HMI automatic grinding control Integrated control for magnetic chuck Coolant tank Balancing arbor Grinding wheel flange and puller Wheel dresser stand MPG handwheels for Y/Z axis Operating manual Splash guard Standard grinding wheel Levelling wedges and bolts

Condition: ready for operation (used), Year of construction: 2022, functionality: fully functional, machine/vehicle number: 1834, overall weight: 325 kg, tool diameter: 160 mm, tool height: 230 mm, water tank capacity: 30 l, TECHNICAL DETAILS Maximum tool diameter: 160 mm Maximum tool height: 230 mm MACHINE DETAILS Water tank capacity: 30 L Dimensions & Weight Dimensions (L x W x H): 675 x 765 x 1650 mm Machine weight: 325 kg EQUIPMENT Grinding area made of aluminium Siemens touch-screen operator interface Information display for ongoing operations and alarms Automatic grinding height detection Automatic regulation of working pressure and grinding speed Straight or angled grinding possible Tool drawer High-quality grinding wheel (CBN) Water pistol for cleaning Operating light with different colors Integrated modem with remote connection port Spare grinding wheel Lodpfx Akjyx Hwtefjrk Motor with frequency inverter for three-phase 380 V and 220 V power

Condition: ready for operation (used), Year of construction: 2006, functionality: fully functional, machine/vehicle number: 2449-01, grinding width: 1,350 mm, grinding height: 150 mm, feed rate X-axis: 12 m/min, grinding wheel diameter: 1,380 mm, TECHNICAL DETAILS Workpiece dimensions (length x width) min.: 30 x 30 mm Workpiece dimensions (width x height) max.: 1,350 x 150 mm Abrasive belt dimensions: 1,380 x 1,900 mm Disk diameter: 1,380 mm Abrasive belt unit speed: 8–22 m/s Disk unit speed: 10–22 m/s Feed rate (frequency-controlled): 2–12 m/min MACHINE DETAILS Electrical specifications Feed motor (frequency-controlled): 2.6 kW Abrasive belt (W): 18.5 kW Ledsyx Hhxjpfx Akfork Disk (RD): 12.9 kW Electrical connections: 400 V Frequency: 50 Hz Control current: 110 A EQUIPMENT Disk unit (RD) with abrasive fleece disc 2 abrasive belt units (W) placed before and after the disk unit

Condition: ready for operation (used), functionality: fully functional, grinding wheel width: 100 mm, grinding wheel diameter: 350 mm, overall weight: 2,000 kg, The machine was retrofitted and modernised in 2025. The modernisation includes the addition of automatic loading and automatic cycle functions. The user interface and control panel are available in English, German, and French. TECHNICAL DETAILS Grinding wheel dimensions (outer diameter x inner diameter x width): 350 x 127 x 100 mm Grinding wheel width: 100 mm Grinding wheel speeds: Infinitely variable Regulating wheel speed: 10 - 250 rpm Lodpfx Aksyym Emefsrk Feed: Automatic Regulating wheel dimensions (outer diameter x inner diameter x width): 230 x 76.2 x 100 mm Regulating wheel width: 100 mm Maximum length to be straightened: 200 mm Workpiece diameter to be straightened: 1.5 - 50 mm MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 1,800 x 1,300 x 1,600 mm Weight: 2,000 kg EQUIPMENT New coolant tank with paper filtration system

Condition: ready for operation (used), Year of construction: 2013, functionality: fully functional, machine/vehicle number: 52.362, input voltage: 400 V, MACHINE DETAILS Type of input current: Alternating current (AC) Input voltage: 400 V Operating voltage: 400 V AC Frequency: 50 Hz Total connected load: 50 A Max. feed current: 22 A Ljdpfx Akjy A Ipfofjrk

Condition: ready for operation (used), Year of construction: 2012, functionality: fully functional, machine/vehicle number: GD12002, workpiece weight (max.): 150 kg, grinding length: 1,000 mm, grinding diameter: 360 mm, overall weight: 4,700 kg, TECHNICAL DETAILS Max. grinding diameter: 360 mm Max. grinding length: 1,000 mm Max. workpiece weight: 150 kg MACHINE DETAILS Main drive power: 5 kW Dimensions & Weight Dimensions (L x W x H): 3,030 x 2,250 x 2,030 mm Weight: 4,700 kg EQUIPMENT PLC controlled Tailstock Ledpfxjy A Nl Us Akfork Work spindle Grinding spindle with flange and grinding wheel Internal grinding device Wet grinding system Electronic handwheel Work lamp Center point Chuck Manual

Condition: new, Year of construction: 2026, power: 7.5 kW (10.20 HP), Batch ball mills find applications in various industries where the processing of materials in discrete batches is required. The versatility of batch ball mills makes them suitable for a range of applications. Here are some common batch ball mill applications: 1. Ceramics Industry: - *Glaze Preparation:* Batch ball mills are extensively used in the ceramics industry for preparing glazes. Raw materials such as feldspar, quartz, and clay are ground with ceramic balls to achieve the desired particle size for glaze formulation. 2. Chemical Industry: - *Material Grinding:* Batch ball mills are used for grinding and blending various chemical materials. This includes the production of pigments, dyes, and other specialty chemicals where precise particle size control is crucial. 3. Pharmaceuticals: - *Drug Formulation:* In pharmaceutical manufacturing, batch ball mills are used for grinding and blending powders to create drug formulations. The controlled environment provided by these mills is essential for maintaining the integrity of pharmaceutical compounds. 4. Food Industry: - *Ingredient Mixing:* Batch ball mills may find application in the food industry for mixing and grinding ingredients. This can include the production of food additives, flavorings, and other powdered or granular products. 5. Mining and Minerals Processing: - *Ore Grinding:* Batch ball mills are used in mining and minerals processing for grinding minerals and ores. The controlled grinding helps in obtaining the desired particle size for subsequent processes, such as mineral separation or extraction. 6. Paints and Coatings: - *Pigment Dispersion:* In the paints and coatings industry, batch ball mills are employed for dispersing pigments into paint formulations. Achieving a uniform particle size is crucial for the quality and appearance of the final coating. Lrjdpfjq I N H Nox Akfjk 7. Building Materials: - *Raw Material Grinding:* Batch ball mills are used in the preparation of raw materials for the production of building materials, such as cement and concrete. Grinding of materials like limestone and clay helps in obtaining the desired fineness for subsequent processes. 8. Electronic Materials: - *Ceramic Powder Processing:* In the electronics industry, batch ball mills can be employed for processing ceramic powders used in the production of electronic components and insulating materials. 9. Research and Development: - *Material Testing:* Batch ball mills are often used in research and development laboratories for testing and optimizing material formulations. They provide a controlled environment for small-scale processing and experimentation. 10. Customized Applications: - *Specialized Processes:* Batch ball mills can be adapted for various specialized processes in different industries where precise grinding and mixing are required. Custom modifications can be made based on specific application requirements. When using a batch ball mill, it's important to consider factors such as the type of material being processed, desired particle size, and the specific requirements of the end product. Additionally, following the manufacturer's guidelines and maintaining proper operating conditions are essential for efficient and effective milling processes. Technical details We have different options for different requirements, please contact our team for more info.

Condition: new, Year of construction: 2026, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles. Here are some key features and considerations for a superfine ball mill for micro powder: 1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding. 2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution. 3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process. Ledpfx Aeq Nf Uwekferk 4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments. 5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill. 6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process. 7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements. 8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation. When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.

Condition: good (used), Year of construction: 1972, Slideway grinding machine WMW SFBZ 2200/6000 Manufactured by WMW Germany in 1972 Main technical data: Table size: 2240x6000 mm Max. grinding width: 2200 mm Max. grinding length: 6000 mm Max. grinding height: 2000 mm Max. workpiece weight: 15000 kg Machine weight: 130 tons Lodpfxjw U A Rmo Akferk The machine underwent a general overhaul in 2022. The feed boxes with electromagnetic couplings were replaced with motors and gearboxes for both heads. The bearings for the universal grinding head were also replaced. For more information, please contact us.

Condition: ready for operation (used), - USED - SURFACE GRINDING MACHINE MAX GRINDING LENGTH: 1015 mm MAX GRINDING WIDTH: 405 mm MAX GRINDING HEIGTH: 350 mm MAGNETIC CHUCK: 400 x 1000 mm GRINDING WHEEL SIZE: 50 x 127 x 350 mm MOTOR POWER: 3,7 kW WEIGHT: 3600 Kg Ledpeh St Dqefx Akferk OVERALL DIMENSIONS: 3500 x 1700 x 2000 mm ACCESSORIES: DRESSING TOOL

Condition: used, Year of construction: 1997, Catalogue number 7724 TECHNICAL DATA - number of working spindles: 6 pcs - spindles pressed pneumatically onto the material - milling units adjustable up/down, right/left, and at angles Lredpoya Hl Esfx Akfjk - 6 pneumatic clamps - stepless feed speed adjustment - max milling height: 130mm - max milling length: 2500mm - max milling width: 330mm - shaft diameter: 40mm Motor power: - milling units 1-2: 2 × 5.5kW - milling units 3-4: 2 × 4.5kW - milling units 5-6 universal (sanding or milling): 2 × 4.5kW - extraction nozzle diameter: 10x152mm - air supply requirement: 6-8 bar - dimensions (L/W/H): 8000x3000x2420mm - weight: approx. 6000kg ADVANTAGES – Italian manufacture – For through-feed processing of curved elements according to template – 6 milling units – Not repainted – Safety guards – Original DTR + CE documentation – Used machine in very good condition Net price: 46,900 PLN Net price: 11,160 EUR (based on 4.2 EUR exchange rate) (Prices may change depending on exchange rate fluctuations)

Year of construction: 2005, condition: ready for operation (used), - USED - CNC EXTERNAL GRINDING MACHINE CENTRE HEIGHT: 171 mm DISTANCE BETWEEN CENTRES: 430 mm MAX GRINDING LENGTH: 400 mm MAX ADMITTED LOAD: 150 Kg Lrodpfx Ajyvlxdokfek X-AXIS TRAVEL: 170 mm Z-AXIS TRAVEL: 600 mm RAPID FEEDS: 12 m/min SPINDLE: 830 rpm; 24 Nm GRINDING WHEEL SIZE: 508 x 80 x 203,2 mm MOTOR POWER: 7,5 kW CONTROL UNIT: FAGOR 8055 TCO WEIGHT: 4500 Kg ACCESSORIES: FUME EXHAUSTER ; PAPER FILTER ; MAGNETIC FILTER ; GRINDING WHEEL BALANCER NOTE: 0-9° SWIVELLING TABLE; SWIVELLING CHUCK; INVERTER FOR KEEPING THE PERIPHERAL EXTERNAL GRINDING WHEEL SPEED STEADY; PIECE LOCKING DEVICE WITH PNEUMATIC SYSTEM; HYDRAULIC OPENING TAILSTOCK AND DEVICE FOR SEARCHING THE CYLINDRICITY