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Plunge Grinding Machine

-- Steady & Reliable Manufacturer --

Intro

The plunge grinding machine feeds a wide, profiled wheel straight into the part without traversing, so a whole diameter, shoulder or form is ground in one infeed. It suits short or stepped parts made in volume, where cycle time is measured in seconds rather than minutes.

Core Capability

A CNC-dressed wheel carries the part's profile, and an angular wheelhead grinds a diameter and its shoulder in the same plunge. Multi-wheel stacks can grind several diameters at once, which is how transmission-shaft and pinion-shaft lines reach their output.

Premium Materials and Components

Materials and components are the most critical elements to affect the performance of the equipment.

We use high-quality raw materials and branded components to ensure that our high-performance machines have a long service life and short downtime.

  • External grinding wheel chuck
  • Flat grinding wheel chuck
  • Φ 400 or Φ 600 balance frame
  • M7130-5006 front bearing
  • Rapid advance and retreat cylinder
  • Pressure valve plate assembly
  • Feed box assembly
  • Overflow valve
  • Table control box
  • Grinding head box
  • Control panel assembly
Design for High Performance

The performance of a machine is the result of the combined effect of all its components.

Our technical team consists of experienced engineers and technicians who are not only proficient in the operation and maintenance of grinders, but also have a deep understanding of material properties and processing technology. This enables us to provide customers with customized solutions to meet their specific processing needs.

By deeply studying the design and manufacturing process of precision grinding machines and paying great attention to configuration and construction from the beginning, our R&D team is able to provide high-performance equipment.

Specification

ItemValue
ModelMK1332-PG (plunge series)
Workpiece diameter rangeØ10–200mm
Max. plunge width (single wheel)up to 150mm
Multi-wheel stack widthup to 250mm
Grinding wheel sizeØ600–750 x 100–200mm
Wheel speed35–60m/s (CBN wheels at the upper end)
Wheelhead optionsStraight, or angular (approx. 30°) with shoulder grinding
Typical cycle time20–60 seconds per part
Size repeatability±0.003mm across a batch
Roundness accuracy≤0.002mm
DresserCNC profile dresser with diamond roll
CNC systemFanuc 0i-F / Siemens 828D
Machine weight7–9 tons

Cycle time depends on stock removal and the number of features per wheel; send the part drawing and daily output to confirm the wheel layout and machine count.

Workpiece Range

Short shafts, pinion and transmission shafts, bearing seats, pulleys, valve parts and stepped parts, where each ground section fits within the wheel width. Longer sections need a traverse (cylindrical) cycle instead, since plunge grinding is limited by how wide the wheel can be.

Form Accuracy

The part takes the shape of the dressed wheel, so form accuracy depends on dressing accuracy and wheel wear. Wear is compensated in-process, and the dress cycle is triggered by part count, with a short spark-out dwell to bring roundness to ≤0.002mm.

Core Functions

  • CNC plunge infeed with rough, finish and spark-out stages
  • Profile dressing of the wheel by CNC diamond roll for form and step grinding
  • Angular wheelhead option for diameter plus shoulder in one plunge
  • In-process gauge with size feedback and wheel wear compensation
  • Multi-wheel stack option for grinding several diameters at once
  • Automatic dressing triggered by part count to keep form consistent

Quality Control

  • Form and size repeatability verified over a sample batch before shipment
  • Dresser accuracy and wheel profile checked against the part drawing
  • Wheel balance and spindle runout checked at working speed
  • Factory acceptance test on the customer's own sample parts
  • ISO9001-certified manufacturing with documented warranty terms

FAQ

  • Q: When should I choose plunge grinding over traverse grinding?
  • A: Plunge suits short sections and forms that fit within the wheel width and are made in volume, because the whole section is ground at once; traverse grinding is better for long diameters.
  • Q: What limits the length that can be ground by plunge?
  • A: The wheel width. Single wheels reach about 150mm and wheel stacks about 250mm; anything longer needs traversing or multiple plunges.
  • Q: How is the form kept accurate as the wheel wears?
  • A: Wear is compensated by the in-process gauge, and the CNC diamond-roll dresser re-profiles the wheel at set intervals so the form stays consistent.
  • Q: Can several diameters be ground in a single plunge?
  • A: Yes, with a multi-wheel stack or a profiled wheel; layout depends on diameter spacing, so share the drawing for confirmation.
  • Q: What is the typical lead time?
  • A: Standard configurations usually ship in 70–90 days; custom profiles, CBN packages and loader integration may extend this to 100–130 days.

Equipment Configuration

  • Wide-wheel spindle with high stiffness for heavy plunge loads
  • CNC profile dresser with diamond roll, mounted on the tailstock side
  • Direct-drive workhead for stable rotation during infeed
  • Optional dual-wheel arrangement or angular wheelhead
  • High-volume coolant with nozzle shaped to the wheel width

Where It Is Used

  • Automotive transmission and pinion shaft producers
  • Bearing and pulley manufacturers
  • Valve and hydraulic component makers
  • General volume producers of short shafts and stepped parts

Automation Options

  • Wheel profile design and dressing program matched to your part drawing
  • Angular wheelhead configuration for your shoulder geometry
  • Multi-wheel stack layout for several diameters in one plunge
  • Robot or gantry loader integration for short-cycle production
  • CBN wheel package for long wheel life in high-volume runs
  • 35000 m²+
    Total Factory Area
  • 2003
    Was Founded In
  • 210+
    Precision Equipment
  • 45+
    Exporting Countries & Regions
Zhejiang Quanshun Machine Tool Co., Ltd.

Zhejiang Quanshun Machine Tool Co., Ltd.

Zhejiang Quanshun Machine Tool Co., Ltd. is a professional manufacturer of precision grinding machines. It is located in Zhuji, Zhejiang Province, the main economic development area of the Yangtze River Delta. It is 65km away from Hangzhou, 180km away from Shanghai, 60km away from Hangzhou International Airport, and 60km away from expressways such as Hangjinqu, Zhuyong, and Shaozhu, with convenient transportation and unique geographical location.

The company covers an area of 35000 square meters and a building area of 32000 square meters. Zhejiang Quanshun Machine Tool Co., Ltd. is a professional wholesale Plunge Grinding Machine Manufacturers and Plunge Grinding Machine Factory. It has a machine tool production base and a hydraulic parts production base. The main products are various specifications of ordinary (CNC) cylindrical grinding machines, CNC end face cylindrical grinding machines, automatic loading and unloading CNC (end face) cylindrical grinding machines, composite grinding machines，high-precision ordinary (CNC) cylindrical grinding machines, and we can design and develop various kinds of non-standard special grinding machines according to the needs of users and provide relevant technology, software, training services and automation solutions. Our company has complete product research and development capabilities, passed IS09001-2015 quality system and CE safety certifications, and was named "National High-tech Enterprise".In 2021, it was rated as a specialized and new small and medium-sized enterprise in Zhejiang Province. We also have self-export qualifications. Our company adheres to the concept of "quality first, reputation first, service first", so that our products have a good reputation in the market. At present, our products have been exported to more than 20 countries, such as the United States, Germany, Japan, and Southeast Asia.

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Certificate

Believe In Our Strength

Zhejiang Quanshun Machine Tool Co., Ltd. has more than 20 years of industry experience, we specialize in the manufacture of high-quality precision grinding machines.
  • Advanced manufacturing procedures.
  • Full quality management system.
  • Thoughtful after-sales service.

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