SR Engineering Hydraulic

SR Engineering is a manufacture from japan, specialist in Hydraulic product such as hydraulic unit, Air-driven Hydraulic Pump, Air-driven Hydraulic Pump,Hydraulic Accessories, Hydraulic Die Clamp, Travelling Clamp, Swing Clamp, Rotary Clamp, Carrying System, Locking Die Cushion System, Metallic Die Change System for Injection Molding Machine, Metallic Die Change System for Injection Molding Machine,Metallic Die Clamp System for Die Casting Machine.

 

SR Engineering Hydraulic

Sr Engineering Product

Hydraulic Unit

Variation of Easy Powers: Laborsaving by a high lock unit!
  • A high lock unit is most fitted for the system which performs an hydraulic lock. 
  • This is maintenance-free, and complicated management like an electric pump is unnecessary
  • An air-driven pump is adopted and, moreover, this is explosion-proof and energy-saving
  • This unit is designed compact and low cost. 
  • Flawless safety confirmation is provided and abnormalities are quickly caught with the switch for pressure detection
HU Hydraulic Unit

HU High Lock Unit is a hydraulic unit which is a combination of the SR pump (air-driven hydraulic pump), the air pilot type hydraulic switch valve (non-leak type), directional control valve, pressure switch and also an optional circuit, and a spare circuit mounted on manifold. So this unit has flexible design but compact, so useful for many application.

HMS Power Unit are compact hyhydraulic units that generate high-pressure oil by the use of SR pump (pneumatic-driven hydraulic pump).

  • Incorporated with the non-leak type VF valve units, HMS POER UNITS servebest as hydraulic source for clampsystem or die-lifter.
  • SR pump provides a wide selection to meet various working conditions and applications.

VF Valve Unit are pilot-air-controled non-leak valve units that employ manual-driven valve (M-301).

  • Being a manual-operated'valve, VF-MVALVE UNITS can simplify the systemand provide easy operation.

Air-driven Hydraulic Pump

 
SR Air-driven Hydraulic Pump

SR Pump / SR040/063/100 are air-over-hydraulic pumps operated with compressed air. Pump’s discharge pressure Is controlled by operating alr pressure. Oil flow rate increases at the low hydraulic pressure and decreases at the high hydraulic pressure. When air pressure is balanced with hydraulic pressure. the pump stops automatically, and will start automatically when hydraulic pressure decreases. The pump, then, operates continuously until air pressure reaches equilibrium with hydraulic pressure.

Accessories

  • Various needs can be satisfied by combining them. 
  • A valve sheet part is of the non-leak structure by surface adjustment.

APCO,APCC Hydraulic Switching Valve is a 2-position-3-port change valve which changes an oil flow channel with an air pilot signal.

OCV Hydraulic Switching Valve: A 3-position-4-port rotary valve which changes the direction of hydraulic pressure by operating a handle knob.

EF,ET Pressure Switch: Various pressure switches covering low pressure to high pressure.

RLM,RL Relief Valve is a relief valve in small size and with sufficient rigidity which can be used for general hydraulic pressure in case of a relatively small flow.

AHPC Pilot Check Valve is a hydraulic change valve which controls high hydraulic pressure by air pilot pressure, and mounts an accumulator supplying oil when the pressure becomes low.

APC Pilot Check Valve is a hydraulic change valve which can control high hydraulic pressure by low air pilot pressure.

Hydraulic Die Clamp

LZ Lever Clamp is a hydraulic clamp which tightens through a lever by the power of a single spring return type cylinder. (Maximum Allowable Working Pressure: 24.5MPa)

SZ,SY Straight Clamp is a hydraulic clamp which tightens between a U slot and a T slot by the direct power of a single spring return type cylinder.

LY Lever Clamp is a hydraulic clamp which tightens through a lever by the power of a single spring return type cylinder. (Maximum Allowable Working Pressure: 18.1MPa)

SFZ Center Hole Cylinder can be used by pushing or pulling through the power of a single spring return type single cylinder (single spring return type cylinder).

This is light in weight and compact in size, and, moreover, robust. 

The kind of piping port can be selected as an option.

Travelling Clamp

USZ Self Travelling Clamp: Self Travelling Clamp for Large-sized Transfer Press and Dedicated to Upper Die

MSY Self Travelling Clamp: The clamp moves up to 300mm in maximum, detects an upper die automatically, and is a self travelling hydraulic clamp dedicated to an upper die for clamping.(Maximum Allowable Working Pressure: 18.1MPa)

MSZ Self Travelling Clamp: The clamp moves up to 300mm in maximum, detects an upper die automatically, and is a self travelling hydraulic clamp dedicated to an upper die for clamping.(Maximum Allowable Working Pressure: 24.5MPa)

SSZ Non-touch Clamp is a hydraulic clamp of the short slide system which moves a single spring return type clamper SZ series by an air cylinder.(Maximum Allowable Working Pressure: 24.5MPa)

SSY Non-touch Clamp is a short slide type hydraulic clamp which moves a single spring return type clamper SZ series by an air cylinder. (Maximum Allowable Working Pressure: 18.1MPa

SLY Non-touch Clamp is a short slide type hydraulic clamp which moves a LY type clamp by an air cylinder.

LYS Non-touch Clamp is an integral-type short slide hydraulic clamp which has built the air cylinder and the micro-switch into LY type hydraulic clamper.

Swing Clamp

NSY Swing Clamp: Hydraulic clamp most fitted for press line and medium-sized press

A special cam operates in the middle of the stroke of an hydraulic cylinder, and this makes a clamp rod swing. The hydraulic cylinder introduces the structure which restricts the cylinder output in order to reduce the time for unclamped stroke and protect the swing cam.

AS Swing Clamp: An air cylinder acts on an eccentric cam axis, and strong clamping force is achieved by the amplification mechanism of a cam. Moreover, the type with a built-in spring holds the clamped condition by spring power, even if air pressure is lowered.

HSK Swing Clamp: A clamp rod swings 90 degrees by air pressure, and this makes it suitable for lower die clamp application.

Rotary Clamp

RPY Rotary Clamp: A clamp rod turns 90 degrees, expands, and contracts by air pressure, and this is a hydraulic clamp which tightens die by hydraulic pressure.

RAY Rotary Clamp is performs tightening of a die by hydraulic pressure, and is a hydraulic clamp whose clamp rod turns 90 degrees from the position of tightening a die by air pressure.

Carrying System

  • This is a metallic die change machine gentle to the metallic die on whose bottom of the die a crack or a dent is not made easily.
  • All needs can be satisfied since there are abundant variations and various options.

BL Die Coro: A hydro-pneumatic power source is unnecessary because of spring lift system. Most suitable for a lighter dies. An existing T slot or U slot can be used for installation.

  • Heavy Duty
The lifter bar of blackbody is of a finishing steel bar, is strong against offset load or a shock, since it is attached with the outer lace whose surface has been treated specially for the protection of a roller and a bearing, no troubles occur by bearing cracks, and this has excellent durability.
  • Easy Installation

It is OK only to insert in a T slot!

The set of bars can be done easily attached by a one-touch stopper, and the level adjustment can be performed from the top of the bar.

  • Free Layout

BL series can be combined freely, and you can select a size (100-mm unit) according to die size.

HL28/50/70 Die Lifter is raised by hydraulic cylinder. Most suitable for medium or heavy dies.

PBL Ball Lifter: A lifter which has combined the air cylinder in the ball transfer for X-Y movement

CB50 Roller Bar: Suitable for metallic die change cart.

CBC Carrier Bar: Suitable for moving die to lifting position. A vertically foldable carrier bar.

CBN Carrier Bar: Suitable for moving die to lifting position. A horizontally foldable carrier bar.

CBD Carrier Bar: Suitable for moving die to lifting position. A carrier bar for a medium and heavy dies.

Locking Die Cushion System / NCDC

  • The accuracy of locking was raised to match the operation of servo press.
  • This can comply with various types of dieing such as decompression during operation, knockout, die cushion change, etc

Die Change System for Injection Molding Machine

  • The C type and WL type clamps are mechanical type non-touch clamps developed for injection machines.
  • This has productivity, economical efficiency, and safety, and functions as an important element in full automatic die change system.

WL Non-touch Clamp for small to medium-sized machines

C Non-touch Clamp for medium to large-sized machines

Magnetic Clamp for Injection Molding Machine / MCM

By passing current for a few seconds to a magnetized coil, the magnetic pole of the alnico magnet is reversed and die is clamped by the power of a permanent magnet.

Metallic Die Clamp / LZD is a die clamp for die casting machine.

We have implemented the surface treatment to prevent rust or corrosion.

Lubricant invasion preventive measures to movable parts is also done.

Air Self Joint / ASJ

When air is supplied to this joint, a spool is extended and touches the other part of the device, and air is supplied.

Auto Coupler / UAC is a auto coupler which automates air piping connection at the time of a die change.

Auto Connector / UEC is an auto connector which automates electrical wiring connection at the time of a die change.

Source: www.sr-engineering.co.jp

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