Inflatable door hole machine

This machine is a specialized double‑acting hydraulic press designed for flattening the rims of medium‑ and heavy‑duty tubeless wheels and for punching valve holes. The unit consists of three main components: the main frame, the power unit, and the electrical control cabinet, each with its own independent hydraulic drive system and electrical control panel. Equipped with PLC control, it supports both manual adjustment and automatic operation modes and features over‑temperature protection, emergency stop, and filter‑clogging alarm functions.

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Smart equipment

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Smart equipment

Product Information

Equipment Overview

This machine is a specialized double-acting hydraulic press designed for flattening the rims of medium- and heavy-duty tubeless wheels and for punching valve holes.

This machine consists of three main components: the main unit, the power drive system, and the electrical control cabinet, and is equipped with an independent hydraulic transmission system and an electrical control cabinet.

Equipped with PLC control, it supports both manual and automatic operating modes and features over-temperature protection, emergency stop, and filter clogging alarm functions.

Features

The machine’s working pressure, operating speed, stroke range, and other parameters can be adjusted to meet process requirements.

The slider of this machine is guided by two guide rails. When the slider is subjected to an eccentric load, the load is shared between the two rails, thereby preventing direct application to the piston rod and mitigating eccentric wear and scoring on the rod, thus extending the service life of the seals.

Structural Overview

This machine consists of three main components: the main frame, the hydraulic transmission system, and the electrical control system. The main frame comprises the machine body and the main cylinder. The hydraulic transmission system includes the oil tank, the pump–motor unit, and integrated valves, while the electrical system comprises the electrical control cabinet and the electrical operator panel. The main frame and the hydraulic transmission system are mounted on a concrete foundation, as shown in the attached drawing, and the electrical cabinet is positioned at the rear of the machine body.

Technical Specifications

Device model	YKQ-400-AH
Nominal force of the leveling cylinder	630 kN (P = 25 MPa)
Slider maximum stroke (adjustable)	320mm, adjustable
Nominal force of the punch cylinder	320 kN (P = 20 MPa)
Maximum stroke of the punch cylinder	25mm
Slider to maximum distance from the work surface	670mm
Slider size	300mm×200mm
Deep throat	225mm
Workbench dimensions	W650mm×D635mm
Workbench-to-floor height	750mm
Slider rapid descent speed	80mm/s
Slider slow-speed downward travel speed	43mm/s ~ 17mm/s
Slider return speed	90mm/s
Hydraulic motor power	18.5Kw