Valve Hole Punching Machine Manufacturer

Valve Hole Punching Machine

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Wheel rim valve hole machine for accomplishing operations of flattening (coining), punching and deburring

The valve hole punching machine is used in wheel rim production line to perform flattening (coining), punching, and deburring operations on the rim, ensuring precise and clean valve hole formation on a pre-defined position. It is composed of four main sections: the flattening machine, punching machine, deburring machine, and an automated loading/unloading system, which work together to automate the valve hole punching process.

Component Functions

The valve hole flattening (coining) machine creates a small flat surface on the rim where the valve hole will be positioned. This flat area improves the valve’s seal, preventing potential air leaks.
The valve hole punching press drills a small, precise hole in the center of the flattened area, providing an exact fit for the valve stem.
The valve hole deburring press removes any burrs or sharp edges around the valve hole, ensuring a smooth finish to prevent scratches or damage to the valve stem and its sealing components.
The automatic loading and unloading system coordinate the operation of all three main components, enhancing efficiency of the valve hole punching process for wheel rims.

Process Flow Process Flow

After expanding-sizing
Valve hole punching

Specifications

Model	YPCK-400B	YPCK-500B	YPCK-800B
Power supply	AC 380V/3phase/50HZ	AC 380V/3phase/50HZ	AC 380V/3phase/50HZ
Rated power	46kW	55kW	64kW
Wheel rim thickness	≤5mm	≤8mm	≤10mm
Wheel rim width	5-8.25inch	8.25-11.75inch	11.75-16inch
Wheel rim diameter	14-19.5inch	19.5-24inch	24-54inch
Max. capacity of flattening cylinder	3400KN	400KN	460KN
Max. stroke of sliding block	320mm	400mm	480mm
Nominal force of punching cylinder	220KN	250KN	280KN
Max. stroke of punching cylinder	28mm	30mm	32mm
Height between workbench and ground	680mm	750 mm	920mm
Position repeatability	±0.10mm	±0.11mm	±0.14mm

Features

The valve hole punching machine separates the traditional valve hole flattening, punching, and deburring processes into three dedicated units, solving common issues with standard machines, such as frequent punch breakage and difficult punch replacement.
The automated loading and unloading system is driven by a high-power servo motor, ensuring consistent accuracy in positioning for each rim.
Equipped with an independent hydraulic drive and electrical control system, the punch press utilizes PLC control, allowing for three operation modes: adjustment, manual, and semi-automatic.
Includes over-travel and over-pressure protection, emergency stop, and filter clogging alerts for enhanced safety and reliability.
Operating parameters such as working pressure, speed, and stroke range are fully adjustable to meet specific production requirements.
Using image recognition technology, the system precisely identifies and locates the weld seam as the wheel rotates on the detection platform.
The main frame can be adjusted for height, width, and tilt to accommodate rims of various sizes and specifications.