برجسته کردن:
Vertical Spindle Round Worktable Surface Grinding Machine M7480
M7480 Vertical Spindle Rotary Table Surface Grinding Machine
This machine tool is a general vertical spindle rotary table surface grinding machine. It can perform grinding operations on flat surfaces within a diameter of diameter 800mm (with a maximum workpiece height of 350mm). The surface roughness Ra value is not greater than 1.25μm, and the parallelism between the ground surface and its base surface is 0.01mm.
This machine tool is a high-efficiency surface grinding machine equipped with an electromagnetic worktable and a vertical grinding head, which uses the end face of the grinding wheel to grind workpieces. It is mainly used for rough grinding of blanks or grinding of workpieces with general precision, and can achieve high productivity in mass production.
Therefore, this machine is particularly suitable for the mass production of parts in industries such as automobile, tractor, bearing, and machine tool manufacturing.
Series 74 machine tools adopt a vertical column layout with the worktable saddle moving mode. The grinding head feeds vertically. Both the longitudinal movement of the worktable saddle and the rotational movement of the worktable are mechanically transmitted by a sliding guide rail mechanism. The vertical lifting of the grinding head is driven by a ball screw AC motor, and it is equipped with a power feed and a zero - position stop device. The grinding head has high power and high production efficiency. For models with a worktable diameter of Φ800mm ~ Φ1800mm, they can meet the end face and plane grinding of bearings, circular and annular parts. This model is suitable for mass production and processing in industries such as tools, bearings, valves, and refractory materials.
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The main specifications and parameters of the machine tool
Maximum Grindable Size (Diameter × Height): diameter 800×350mm (when using a new grinding wheel)
Distance from Worktable Center to Grinding Head Center: Minimum/Maximum 245mm/725mm
Maximum Distance from Lower End Face of New Grinding Wheel to Worktable Surface: 350mm
Worktable Rotation Speed (Stepless): 5 - 30 r/min
Worktable Moving Distance: 480mm
Worktable Moving Speed: 3 m/min
Grinding Wheel Size (Outer Diameter × Inner Diameter × Height): φ500×φ380×150mm
Segment Grinding Wheel Size: WT85×100×150×35mm, 8 pieces in total
Vertical Moving Distance of Grinding Head: 450mm
Rapid Moving Speed of Grinding Head: 0.2m/min
Power Feed Speed of Grinding Head (Stepless): 0.08 - 1.2 mm/min
Vertical Movement per Revolution of Grinding Head Handwheel: 0.5mm
Vertical Movement per Graduation of Grinding Head Handwheel: 0.005mm
Suction Range of Electromagnetic Worktable (Adjustable): 0 - 80N/cm
Power of Grinding Head Motor: 30kw
Rotation Speed of Grinding Head Spindle: 970r/min
Power of Grinding Head Rapid Moving Motor: 0.75kw
Rotation Speed of Grinding Head Rapid Motor: 970 r/min
Power/Rotation Speed of Grinding Head Power Feed Motor: 2.2KW/1400r/min
Power of Worktable Moving Motor: 0.55kw
Rotation Speed of Worktable Moving Motor: 1400 r/min
Power of Cooling Pump Motor: 0.45kw
Rotation Speed of Cooling Pump Motor: 2800 r/min
Power of Worktable Rotation Motor: 5.5KW
Rotation Speed of Worktable Rotation Motor: 1440 r/min
Total Power of Machine Tool: Approximately 36kw
Net Weight of Machine Tool: Approximately 8t
Gross Weight of Machine Tool: Approximately 9t
Overall Dimensions of Machine Tool (Length × Width × Height): 2640×1253×2481mm
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Main Specifications
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Items
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Unit
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MK74100
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MK74160
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Size of workpiece
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mm
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1000×500
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1600×630
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Worktable diameter
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mm
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1000
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1600
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Worktable diameter swivel
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mm
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1100
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2000
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Worktable rotations
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rpm
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5 ~ 45
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5 ~ 20
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Worktable speed of saddle
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mm/min
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2600
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2600
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From wheel to tabletop
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mm
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500
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630
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Roughness
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μm
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Ra ≤ 0.8
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Ra ≤1.25
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Worktable planeness
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mm
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0.01
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0.02
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Machine Weight
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t
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11.5
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29.5
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Items
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Unit
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M7480
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M74125
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Size of workpiece
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mm
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800×350
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1250×500
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Worktable diameter
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mm
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800
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1250
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Worktable diameter swivel
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mm
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900
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1350
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Worktable rotations
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rpm
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5 ~ 30
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5 ~ 15
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Worktable speed of saddle
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mm/min
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3000
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2600
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From wheel to tabletop
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mm
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350
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500
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Roughness
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μm
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Ra ≤ 0.8
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Ra ≤1.25
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Worktable planeness
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mm
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0.01
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0.015
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Machine Weight
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t
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8
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14
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Items
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Unit
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M74160
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M74180
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Size of workpiece
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mm
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1600×400
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1800×400
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Worktable diameter
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mm
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1600
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1800
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Worktable diameter swivel
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mm
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1900
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1900
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Worktable rotations
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rpm
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5 ~ 20
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5 ~ 20
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Worktable speed of saddle
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mm/min
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2600
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2600
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From wheel to tabletop
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mm
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410
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410
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Roughness
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μm
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Ra ≤ 1.25
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Ra ≤ 1.25
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Worktable planeness
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mm
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0.02
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0.02
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Machine Weight
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t
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26
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26
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Company Profile
Genertec Tianjin No.1 Machine Tool Co., Ltd. belongs to China General Technology Group, a central enterprise.
The company was formerly known as Tianiin No.1 Machine Tool Works, one of the 18 Lohans enterprises in themachine tool industry in the early days of the founding of New China, and Tianjin Jinyi Grinding Machine Co., Ltd. ithas accumulated more than 70 years of history in the gear machine tool and grinder industry, and is the backboneenterprise in China's machine tool manufacturing industry.
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Why Choose Us?
The company focuses on developing extended products in the industrial chain such as gear machining machines, special grinding machines, and precision transmission devices, and provides customers with professional comprehensive solutions for gear machining. The products are sold in 30 provinces, municipalities directly under the Central Government, and autonomous regions in China, and are exported to more than 20 countries including Germany, Spain, the United States, Sweden, Brazil, Japan, and India. It is a backbone manufacturer in China for producing complete sets of machining machines for spiral bevel gears. The company has world-class high-end precision machining and testing equipment, and an experienced R & D team and a main production force, and has passed the ISO 9001 quality management system certification.
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Other Products
The leading products include: 18 major categories and more than 30 series of products such as CNC gear shapers, gear milling machines, gear broaching machines, gear grinders, gear shapers, gear lapping machines, and complete sets of bevel gear machining equipment; as well as 6 series of products including horizontal-spindle rectangular-table surface grinders, horizontal-spindle rotary-table surface grinders, vertical-spindle rotary-table surface grinders, CNC form grinders, floor-type guideway grinders, and high-precision CNC grinding centers.
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FAQ
Q: What’s the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.
Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.
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