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      1. Metal Parts Products Manufacturers at China

        Metal Parts Products —Stamping & CNC Machining Manufacturers

        Turning Parts Processing

        Product Item: Turning Parts Processing
        Category: Turning Parts
        Turning refers to a parts lathe processing. Lathe machining mainly uses turning tools to machine the rotating workpiece.Lathes are mainly used to machine shafts, discs, sleeves and other workpieces with rotating surfaces. They are the most widely used type of machine tooling in machinery manufacturing and repairing factories.

        Turning Parts
        Product Description
        lathe machining, lathe turning, machining mill, cnc lathe process

        1, low-frequency torque, stable output, high-performance vector control, fast dynamic torque response, steady speed and high precision, strong anti-interference ability.
        2. The five tools and two tail shafts processed by the automatic lathe can work simultaneously in the machining process. Therefore, the speed of automatic machine tools is 4 to 6 times faster than that of ordinary lathes.
        3. Automatic lathe processing complex parts can be synchronized: Cylindrical, spherical, conical, arcuate, stepped, slotted, drilled, tapped, die-cut, embossed, cut, and other processing, all processing operations can be completed in one go, with extremely high processing accuracy. without manual operation, automatic feeding is fully automated, and one person can see more than one. At the same time, it can also use the milling device to process the external thread, completely solve the problem that the die is difficult to process, and can process the double-headed thread.
        4. prkpiece to achieve high accuracy, according to the workpiece processing process can be installed more than 10 kinds of knives. Two-axis device; The main shaft uses electromagnetic clutch to drive the tapping spindle. The high-speed rotation and the mechanical spindle are used for tapping in the same direction. Two-axis processing can be exchanged, reaming, attacking the internal and external teeth can be processed at the same time.
        5. The structure is precise, and the cam is used to control the production. One revolution of the cam completes the processing of one part. Cam rotation speed 10 to 36 rpm, can be adjusted according to different processing parts, the fastest can be processed 36 parts per minute.

        (1) High precision
        The performance of CNC lathe processing control system has been continuously improved, the mechanical structure has been continuously improved, and the precision of machine tools has been increasingly improved.
        (2) High efficiency
        With the application of new tool materials and the perfection of the machine tool structure, the machining efficiency, spindle speed, and transmission power of CNC lathe machining are continuously improved, which greatly shortens the time for new CNC lathe machining.
        (3) High flexibility
        CNC lathe processing is highly flexible, suitable for more than 70% of the multi-variety, small-volume parts of automatic processing.

        (4) High reliability
        With the improvement of the performance of numerical control systems, the trouble-free time of CNC machine tools has been shortened.

        (5) Strong process capability
        It can be used for roughing and finishing, and can complete all or most of the steps in a single setup.
        (6) Analysis of parts (below):
        The surface of the part is composed of a cylinder, a straight arc, an inverse arc, a cone, a groove, a thread, a hole, and the like. The dimensioning is complete. The blank is 45# steel Φ50mm×120mm. Heat treatment: Modulation treatment, HRC25-35 has no hardness requirement.
        Turning Parts Process Analysis

        Accuracy and tolerance standards
        Turning accuracy refers to the extent to which the actual geometrical parameters (size, shape, and position) of the part are consistent with the ideal geometrical parameters. The difference between them is called the machining error. The size of the machining error reflects the level of machining accuracy. The larger the error is, the lower the machining accuracy is, and the smaller the error is, the higher the machining accuracy is. Kangding strict implementation of all products: GB/T1184-1996, GB T 25372-2010, GB/T1804-2000
        (1) Linear dimensions: for example outer dimensions, inner dimensions, step dimensions, diameters, radii, distances, rounding radius and chamfer height;
        (2) Angle dimensions: Include angle dimensions that do not normally indicate angle values, such as right angles (90°); linear and angular dimensions of the machined assembly.

        Turning parts linear dimension limit deviation value
        Tolerance level 0~3 >3~6 >6~30 >30~120 >120~400 >400~1000 >1000~2000 >2000
        Precision (f) ±0.01 ±0.02 ±0.1 ±0.15 ±0.2 ±0.3 ±0.5
        medium (m) ±0.1 ±0.1 ±0.2 ±0.3 ±0.5 ±0.8 ±1.2 ±2.0
        Rough (c) ±0.2 ±0.3 ±0.5 ±0.8 ±1.2 ±2.0 ±3.0 ±4.0
        Thickest (v) ±0.5 ±1.0 ±1.5 ±2.5 ±4.0 ±6.0 ±8.0

        Turning parts rounding radius and height dimensions of the chamfer limit deviation value
        Tolerance level 0~3 3~6 >6~30 >30
        Precision (f) ±0.2 ±0.5 ±1.0 ±2.0
        medium (m)
        Rough (c) ±0.4 ±1.0 ±2.0 ±4.0
        Thickest (v)
        Note: Refer to GB/T6403.4 for the meaning of rounding radius and chamfer height.

        Limit deviation value of angular dimensions of turned parts

        Tolerance level 0~10 >10~50 >50~120 120~400 >400
        Precision (f) ±1° ±30′ ±20′ ±10′ ±5′
        medium (m)
        Rough (c) ±1°30′ ±1° ±30′ ±15′ ±10′
        Thickest (v) ±3° ±2° ±1° ±30′ ±20′

        Processing materials
        CNC turning machining is a high-tech processing method for precision metal parts. Can process various types of materials, such as 316, 304 stainless steel, carbon steel, alloy steel, alloy aluminum, zinc alloy, titanium alloy, copper, iron, plastic, acrylic, POM, UHWM and other raw materials, can be processed into square, round combination Complex structural parts.
        1. Stainless Steel (SUS)
         SUS301 (17Cr-7Ni) stainless steel can obtain high strength after cold working. SUS301 stainless steel is used in railway vehicles, belt conveyors, bolts and nuts, springs, etc.
        SUS304 ---- SUS304 is 18/8 stainless steel. GB brand is 0Cr18Ni9 (new standard 06cr19ni10), 304 stainless steel is widely used for making corrosion resistant and formability equipment and components because of its good heat resistance.
        2, carbon steel ----S50C, SK5, SK7
          Features: Good stability, heat treatable.
          S50C, SK5, SK7 are mainly used in the COOLER MASTER radiator backplane.
        3. Copper (CU)
          Oxygen-Free Copper (OFCU) ----C1020----O, 1/4H, 1/2H, H Characteristics: Electrical conductivity, thermal conductivity, extrusion processability, corrosion resistance, and heat resistance are all good.
        4, Aluminum (AL)
        4.1. Aluminum Alloy (A1070)----O, H14, H18
        Features: High thermal conductivity, formability, corrosion resistance, good anodic treatment.
        Uses: Hose, capacitors, knobs, cosmetics accessories, accessories, reflectors, nameplate frames, lighting fixtures. 6.2. Aluminum alloy (A1050) ---- O, H14, H16, H18 Features: Formability, good corrosion resistance.
        4,2 COOLER MASTER almost all aluminum radiators FIN and COVER use A1050.
        4.3. Aluminum alloy (A1100) ---- O, H12, H14, H16, H18 Features: Formability, corrosion resistance thermal conductivity, good anodic properties.
        4.4. Aluminum Alloy (A3003) ---- O, H32, H34, H36, H38 Features: Good corrosion resistance in forming and forming is higher than 1100.
        4.5. Aluminum alloy (A3004) ----O, H32, H34, H36, H38 Features: Higher strength than 3003, good deep-drawing property, good corrosion resistance, high temperature resistance. Uses: beverage cans, pressure vessels, lamp holders.
        4.6. Aluminum Alloy (A5052) ----O, H32, H34, H36, H38H
        4.7. Aluminum alloy (A6063-T5) COOLER MASTER part of the aluminum extrusion, SKIVE FIN heat sink, etc. use this material.

        Programming design
        The CNC machine tool automatically processes the machined parts according to a pre-programmed machining program: (Common instructions are as follows)
        N10 G50 X50 Z100 ; Positioning the workpiece coordinate system with tool change points
        N20 M3 S560 ; Start Spindle
        N30 T0101 ; Change No. 1 knife
        N40 G0 X25 Z2 ; Quickly move to the processing starting point
        N50 G71 U0.8 R0.5 ; Execute cylindrical roughing cycle
        N60 G71 P70 Q140 U0.5 W0.2 F100 ; allowance X0.5 Z0.2, feed 100 mm/min
        N70 G0 X0 ; Contour processing start line
        N80 G1 Z0 F30 ; Finishing feed 30
        N90 G3 X10 Z-5 R5 ; Retract and leave the workpiece
        N100 G1 Z-15 ; Machining R15 arc with right angle of 4
        N110 X18 W-10 ; Processing Φ26 outer circle
        N120 W-7; inverted 3×45° right angle
        N130 X21 ; Spindle rotating at 400r/min
        N140 X23 Z-33 ; Spindle stop, main program end and reset
        N150 Z-45 ; Contour finishing line
        N160 G70 P70 Q140 ; ??Perform finishing cycle
        N170 G0 X50 Z100 ; Tool change point
        N180 T0404 ; Change knife No. 4
        N190 G0 X27 Z-40.1 ; Positioning cutting start point, leaving 0.1mm margin
        N200 G1 X12 F15 ; Processing R15 arc segment
        N210 G0 X25 ;
        N220 Z-40 ;
        N230 G1 X0 F10 ; Cutting off, feed rate 10mm/min
        N240 G0 X50 ;
        N250 Z100 M5 ;Return tool point, stop spindle
        N260 T0100 ; Return to standard knife
        N270 M30 ; End procedure

        Lathes, reamers, reamers, taps, dies and knurling tools can also be used for machining on turning . Including cylindrical processing equipment, inner hole processing equipment, plane and groove processing equipment, gear processing equipment, thread processing equipment, box processing equipment ... and so on.
        Turning processing is generally processed at room temperature, and does not cause changes in the chemical or physical phase of the workpiece. It is called cold processing.

        Kang Dingxin has a full range of processing equipment: lathes, boring machines, milling machines, planers, grinding machines, drilling machines, CNC machine tools.
        All automatic lathes use Taiwan MY. Knife cutter is based on 20 and 15 models. Imported five axis Walk the heart Precision machining parts
        Feeder: Swiss brand Ai Si Division, 15 cam machine small parts production, car, pressure, drilling, tapping, Taiwan-made 32-type automatic lathes: (main shaft 32MM) ultra-fast processing speed.
        Kangding automatic lathe processing workshop
        Kangding automatic lathe processing workshop
        Turning Processing Parts Price = Raw Material Cost - Waste Revenue + Machine Cost + Labor Cost + Management Fee + Profit + Packaging Cost + Shipping Cost + Mold Amortization Charge + Tax
        J16t: (7.2 yuan/hour)
        J25t: (9.8 yuan/hour)
        J40t: (13.1 yuan/hour)
        Milling: 20 to 35 yuan/hour
        CNC car J63t: (20 to 30 yuan/hour)
        J80t: (18.3 yuan/hour)
        J100t: (19.2 yuan/hour)
        J160t: (22.5 yuan/hour)
        Outer ground grinding: Broaching (20 yuan/hour)
        High-speed rushed 100T below each 0.03 ~ 0.10 yuan
          Gear 315t: (30.7 yuan/hour)
        Gear 175t: (25 yuan/hour
        Shearer: (17.1 yuan/hour)
        Car C616 C7620: (12~14 yuan/hour)
        Ordinary tapping: (5.21 yuan/hour)
        Radial drill: 13 yuan/hour
        Welding 2: 5 yuan / hour
        Quenching steel: 4 yuan/kg, alloy steel 10 yuan/kg
        Carbide: 700 yuan/kg
        EDM: 15 yuan/hour
        Argon arc welding: (50 yuan / hour with 70 yuan / bottle of argon)
        Wire cutting: 7 PCT/mm2

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