Hybrid Ram with Closed Loop Oil Circuit CLDP - Voith Turbo

New Methods in the Stationary Industrial Hydraulics —
Hybrid Ram with Closed Loop Oil Circuit CLDP

Areas of Application / Characteristics / Advantages / Benefits
Suitable for all applications with high power density and high dynamics.
For example: bending, cutting, forming and handling.
Characteristics Advantages Benefits
n closed oil loop n high system stiftness
n servo pump, aligned with the
cylinder surfaces
n no classic valve and control
technique
n active control of the servo
pump
n modular design
n reduced parts
n compact drive
n force / speed / position control
by the servo pump
Voith Turbo | VTHL_CLDP_en | 2010-10-21
n decentralized unit
n minimized throttle losses
n small compensation volume
n smaller or without charge pump
n minimum throttle losses
n valve technique not required
n high energy efficiency with high
hydraulic efficiency
n simple drive system with high
functionality
n small size
n simple design
n valve technique not required
n optimal adjustment of force and speed
to the process
n dynamic processes realizable
n autarkic operation (no additional pipework or
hoses required)
n energy efficient
n optimized thermal properties
n small space requirement
n smaller construction units, small weight
n optimized for maximum energy efficiency
n simple design, simple start up
n reduction of the energy cost up to 50%
n less CO 2 emissions
n simple system integration
n reduced costs for start-up,
training and maintenance
n high application flexibility
n reduced weight
n reduced space requirement
n high flexibility

Diagram
CLPD basic version
CLPD with additional charge pump
Voith Turbo | VTHL_CLDP_en | 2010-10-21
T
Configuration
CLDP essentially consists of the
following components:
- cylinder, double acting
- servo motor
- servo pump, aligned with the
cylinder surfaces
- compensation tank
- pressure safety valve
- charge pump unit, option

Voith Turbo H + L Hydraulic
GmbH & Co KG
Schuckertstraße 15
71277 Rutesheim, Germany
Tel. 07152 992-3
Fax 07152 992-400
sales-rut@voith.com
www.voithturbo.com /
hydraulic-systems
We feel at home with special
requirements
For more than 40 years, we have
maintained business relationships
with our customers as partners.
Today, we have an extensive sales
network covering all parts of the
world – which means that we are
close to you. This allows us to clarify
the often special requirements
through direct contact with our
customers. With our high level of
consulting expertise, we can work
together with you to find the optimal
solution for your application.