In modern manufacturing, hydraulic presses are widely used in metal forming, composite material (SMC/BMC) pressing, and automotive parts production. As equipment efficiency increases, with greater pressure and speed, safety becomes increasingly critical. Misoperation or equipment malfunction can easily lead to personal injury. Therefore, installing hydraulic press safety guarding is essential for companies purchasing hydraulic presses.
This article will detail the importance of hydraulic press guarding.
1. Why are hydraulic press safety guards necessary?
1.1 To prevent accidental contact and pinching accidents
During the pressing process of a hydraulic press, the pressure typically reaches tens or even thousands of tons. If hands or the body enter the danger zone:
- Irreversible damage (crushing injuries/amputation) can occur in a very short time.
- Human reaction speed cannot match the speed of the equipment.
The function of the safety guard:
- Physically isolates the danger zone.
- Prevents operators from accidentally reaching their hands into the mold area.
1.2 Reduce the risk of human error
In actual factories, accidents often stem from:
- Fatigue operation
- Inexperienced new employees
- Communication errors during multi-person collaborative operations
A protective cover with an interlocking system can achieve:
- If the protective cover is not closed → the equipment cannot start
- If it is opened while running → automatic emergency stop
This is equivalent to adding a layer of “forced safety logic” to the equipment.
1.3 Preventing splash injuries from material or mold abnormalities
During SMC/BMC or metal stamping processes, the following may occur:
- Die damage or cracking
- Abnormal splashing of SMC/BMC material under pressure
- Breakage and ejection of metal stamping parts
Safety shields (especially high-strength transparent PC material) can effectively block impacts and protect the operator’s face and body.
2. Common Safety Guarding Solutions for Hydraulic Presses
To meet different production needs, hydraulic presses typically employ a combination of safety guarding measures:
2.1 Fixed Protective Cover
- Fully enclosed structure
- Suitable for automated production lines
2.2 Interlocking Full Protective Cover (Recommended)
- Protective door with a sensor
- Cannot operate if not closed
- Automatic shutdown when opened during operation
2.3 Light Curtain Protection (Safety Light Curtain)
- Hand entering the light curtain → Equipment stops immediately
- Suitable for frequent loading and unloading scenarios
Commonly used for: SMC sheet unloading and metal stamping
2.4 Two-Hand Operation Button
- Must be operated with both hands simultaneously
- Prevent accidental entry into dangerous areas with single-handed operation
2.5 Transparent Protective Cover (PC Material)
- Safe and allows observation of the production process
- High impact resistance
In modern industrial environments, safety is no longer merely about “avoiding accidents,” but also a reflection of a company’s strength and responsibility.
A complete hydraulic press safety protection system can simultaneously achieve:
- Protecting employee lives
- Reducing operational risks
- Higher production reliability
Safety protection devices are not just accessories, but indispensable core components of hydraulic presses.
As a professional hydraulic press manufacturer, PDH offers a variety of hydraulic press safety guarding solutions. For more information, please contact us.
