Skip to main content
315T Precision Bushings & Small Gears Press press view 1
Precision Bushings & Small Gears · Hydraulic Press Machine

315 Ton Four Pillar Hydraulic Press for Cold Forged Precision Bushings & Small Gears

315T Rated Capacity
100 mm/s Slider Down Speed
7–12 mm/s Slider Pressing Speed
90 mm/s Slider Return Speed

01 — Press System

315 Ton Four Pillar Hydraulic Press Machine

The 315-ton four-pillar hydraulic press from Sinter Hydraulics India provides a high-precision, cost-effective manufacturing platform designed for cold forging industrial bushings, sleeves, and small gears. This specialized system utilizes micro-precise stroke control and rigid guiding to ensure continuous, high-productivity component output.

Use Case

Industrial rotating and load-transfer components require exceptional fatigue strength, tight tolerances, and excellent surface finishes to survive high-friction sliding wear. This press platform cold-forms medium-sized components at room temperature, forcing structural metal consolidation that work-hardens the steel matrix for long service life.

Core Applications

  • High-precision cold extrusion, backward extrusion, and sizing of dense cylindrical wear parts
  • Precision room-temperature upsetting and calibration of small industrial gear blanks and splined sleeves
  • High-volume manufacturing of near-net-shape rotating components requiring excellent structural concentricity

Material

  • High-quality carbon steels and specialized low-alloy case-hardening forging steels
  • Premium chromium-molybdenum gear steels and alloy wire rods optimized for cold metal displacement
  • Self-lubricating bronze alloys and high-ductility brass materials for low-friction industrial bushings

Typical Products Processed

  • Precision industrial machinery bushings, split sleeves, and custom cylindrical spacers
  • Small spur gear blanks, helical gear preforms, and internal splined drive sleeves
  • Bearing races, steering column sleeves, and agricultural machinery pivot bush blanks

Key Functions

  • Variable velocity stroke profiling to carefully manage metal flow and eliminate surface tearing
  • Integrated hydraulic bottom knockout pin assembly for instantaneous and clean automatic part ejection
  • Digital stroke depth limitation and precise tonnage monitoring to ensure batch-to-batch repeatability

Why 315 Ton Hydraulic Press?

  • Delivers the precise tonnage required for medium-sized parts, maximizing energy efficiency while ensuring complete cavity fill
  • Four-column architecture guarantees absolute platen parallelism under load, preventing wall thickness variation and tool wear

02 — Technical Specifications

SM 315 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA

The SM 315 HP hydraulic press delivers highly stable compression forces and micro-precise alignment tracking optimized for cold forging precision industrial wear components. Its high-rigidity structural framework and responsive fluid circuits ensure excellent concentricity and surface finish consistency across high-volume production series.

Capacity

  • Maximum continuous cold forging compression force capacity of 3150 kN
  • Dedicated high speed bottom ejector stripping force capacity of 250 kN

Structural Design

  • High fatigue resistant pre stressed four column configuration built for continuous industrial production
  • Finite element analysis structural simulation frame designed to absorb intense cold sizing stresses

Frame Type

  • Precision aligned solid induction hardened pillar frame guide structure
  • Stress relieved heavy welded steel plate bolster and upper moving slide assembly

Hydraulic System

  • High output variable displacement axial piston pump fluid power assembly
  • Multi stage high capacity offline oil filtration loop with integrated oil coolers

Main Ram Stroke

  • Maximum vertical slide forming travel distance capability of 350 mm
  • Electronic stroke length limitation positioning resolution accurate within 0.01 mm

Working Hydraulic Pressure

  • Maximum continuous operating main hydraulic system fluid pressure of 240 bar
  • Peak shock safety valve pressure relief calibration threshold limit of 270 bar

Daylight Gap

  • Maximum open vertical daylight window working clearance of 700 mm
  • Minimum closed shut die height tool workspace space of 300 mm

Approach Speed

  • Accelerated downward advance slide rapid travel speed of 300 mm/Sec
  • Controlled raw material tool engagement deceleration velocity of 12 mm/Sec

Pressing / Drawing Speed

  • Dynamic high pressure cold forging extrusion speed of 4 to 28 mm/Sec
  • Maximum resistance continuous metal displacement squeezing velocity of 35 mm/Sec

Return Speed

  • High speed upward ram extraction retraction travel speed of 280 mm/Sec
  • Ultra fast automated hydraulic pre return system decompression cycle timing

Bed / Platen Size Platen

  • Total clear bolster bed width left to right of 800 mm
  • Total clear bolster bed depth front to back of 700 mm

Columns

  • Ultra high tensile forged alloy steel pillar diameter of 150 mm
  • Heavy duty wear resistant bronze guide bushings with automatic grease lubrication

Working Envelope

  • Total horizontal internal clear workspace area of 800 by 700 mm
  • Maximum permissible upper die tool assembly mass weight of 1800 kg

Control System

  • Industrial programmable logic controller linked with a graphical touchscreen station
  • Dual redundant non contact linear transducer position tracking systems accurate within 0.005 mm

Main Motor Power

  • High efficiency primary hydraulic pump electric drive motor power of 45 kW
  • Dedicated auxiliary cooling and continuous oil filtration motor power of 4 kW

Valves & Hydraulics

  • High dynamic response proportional servo flow control cartridge manifold block
  • Integrated fast acting overhead gravity pre fill oil valve unit assembly

Automation

  • Digital interface connection ports for synchronized industrial automatic feeder loops
  • High temperature hydraulic quick action die clamping system connecting lines

Safety Features

  • Dual channel infrared light curtain barriers guarding operator workspace zones
  • Automated heavy duty dual fail safe mechanical anti drop ram safety locking blocks

SM 315 HP — Model Specifications

  • Nominal Force: 3150 KN
  • Maximum Hydraulic Pressure: 25 MPa
  • Max Opening Height of the Slider: 1000 mm
  • Max Stroke of the Slider: 600 mm
  • Effective Bed Size: 800 × 800 mm
  • Slider Down Speed: 100 mm/s
  • Slider Pressing Speed: 7–12 mm/s
  • Slider Return Speed: 90 mm/s
  • Ejector Cylinder Nominal Force: 300 KN
  • Stroke of the Ejection Cylinder: 300 mm
Production Case Study

Cold Forged Precision Bushings & Small Gears Production Line

10 – 45 mmBlank hickness
Low Cr AlloyMaterial Used
8–12 SecCycle time
360 to 500 PartsOutput/Hour
Part concentricity maintained perfectly
Surface finish optimized highly
Dimensional tolerances held consistently
Microstructural density increased significantly
Die cavity wear minimized
Scrap metal waste avoided
Batch defect rate lowered

03 — Die / Mold System

Precision Cold Forged Precision Bushings & Small Gears Die Mold Engineering

This precision tooling system implements high-density segmented tungsten carbide dies encased in pre-stressed alloy steel containment rings to withstand heavy radial extrusion forces. The rigid configuration restricts elastic deflections during room-temperature metal flow, maintaining strict wall thickness uniformity and gear teeth geometries.

Technical Specifications (Tooling)

Die Type

  • High precision progressive multi station closed die cold heading and precision forward backward extrusion tool set assembly
  • Heavy duty industrial grade cold forming tooling layout engineered for high volume cylindrical bushing and small gear manufacturing

Die Materials

  • Premium submicron grain tungsten carbide cobalt matrix inserts providing extreme compressive yield strength and abrasive wear resistance
  • Ultra high strength chromium molybdenum vanadium hot work tool steel utilized for external pre stressed compression casings

Tool Configuration & Construction

  • Multi layer interference fit shrink fitted container ring design engineered to counteract massive internal radial splitting stresses
  • Modular quick change cassette layout optimized to minimize production line changeover times and maximize press bed utility

Key Tooling Features

  • Integrated multi stage mechanical positive knockout pin assembly designed for rapid automatic part stripping sequences
  • Precision machined internal relief air venting channels engineered to prevent oil entrapment and avoid pneumatic pressure locks

Alignment Accuracy

  • Upper punch and lower die axis concentricity deviation kept strictly under a limit of 0.020 mm
  • Moving slide guiding parallelism variance across the active workspace restricted within a tolerance of 0.010 mm

Process Materials

  • High quality industrial carbon steels premium low alloy case hardening forging stocks and chromium molybdenum gear wires
  • High ductility self lubricating bronze alloys and brass metal stocks matching strict mechanical sliding component standards

Surface Finish

  • Active mirror polished tungsten carbide forming cavities diamond lapped down to an roughness of Ra 0.05 microns
  • Advanced physical vapor deposition titanium aluminum nitride wear protective surface layer applied to a thickness of 0.003 mm

Tool Life

  • Expected production span of 40000 cycles before requiring mandatory cavity inspection and micro polishing procedures
  • Total structural tooling lifespan capacity reaching 400000 production cycles before complete carbide insert replacement
Case Study (Die Performance)

Precision Cold Forged Precision Bushings & Small Gears Die Mold

High-carbon high-chromiumDie Material
58-60 HRCHardness
Vacuum HardenedHeat Treatment
Cavity wear resisted fully
Chipping defects prevented completely
Wall tolerance held consistently
Core toughness maintained perfectly
Friction dragging eliminated entirely
Tooling life extended substantially
Component scrap rates minimized

04 — Product Application

Where Precision Cold Forged Precision Bushings & Small Gears Are Used

Precision cold-forged bushings and small gears serve as essential load-transfer and rotational interfaces operating within tight mechanical assemblies. These high-density parts possess excellent surface integrity and work-hardened wear zones, ensuring low-friction rotation and reliable torque transmission under constant operation.

Industry Applications

These ultra-dense rotating parts are widely deployed throughout passenger vehicle steering systems, industrial automation machinery lines, electric vehicle powertrains, and off-highway agricultural equipment assemblies. Their exceptional dimensional consistency, high microstructural hardness, and mirror-like surface finishes enable machinery manufacturers to guarantee extended operating lifespans, lower total frictional energy drag and simplify robotic assembly integration.

Automotive Power Steering Columns and Manual Gearbox linkages

High-precision splined sleeves, control shaft bushings, and small pinion gears stabilize rotational driver inputs. The cold-forging process eliminates internal metal porosity, providing exceptionally smooth sliding surfaces that resist long-term mechanical backlash.

Electric Vehicle Reduction Gearboxes and Actuator Assemblies

Compact planetary gear rings, stepped motor sleeves, and armature shaft bushings handle high-torque electric motor outputs. Perfect structural concentricity eliminates high-frequency gear whine and runtime vibration, maximizing energy efficiency across the drivetrain layout.

Industrial Packaging Machinery and Textile Loom Drive Systems

Heavy-duty bronze-alloy pivot bushings, custom wear sleeves, and small spur gears synchronize high-speed material handling webs. Superior strain-hardened surfaces eliminate the need for frequent lubrication breaks, protecting operational lines against sudden galling failures.

Agricultural Tractor Power Take-Off Units and Hydraulic Pumps

Splined coupling sleeves, heavy-duty link bushings, and small internal oil pump gears manage extreme hydraulic fluid forces. Near-net-shape tooth configurations deliver high grain consolidation, protecting the transmission teeth against high-impact shear fractures.

Finished Product Gallery

05 — Key Advantages

Why Choose the 315-Ton Sinter Hydraulic Press

The 315-Ton Sinter Hydraulic Press delivers the highly stable compression forces and rigid platen alignment necessary to process dense industrial wear parts. Its flexible velocity control profiling and repeatable stroke accuracy ensure absolute part concentricity and exceptional tooth definition while optimizing energy consumption.

Technical & Commercial Benefits

01

Optimized Tonnage Delivery for Medium-Sized Component Sizing Efficiency

The specialized hydraulic architecture provides the exact compression thresholds needed to cold-form industrial sleeves and small gear blanks. Operating at this precise force range reduces total electrical consumption while ensuring total die cavity fill parameters.

02

Pre-Stressed Four-Column Design Maintaining Absolute Bolster Parallelism

The heavy-duty guide rod framework counteracts the intense radial forces generated during high-pressure backward extrusion cycles. Eliminating structural platen tipping protects expensive tungsten carbide inserts from cracking and prevents uneven component wall thickness deviations.

03

Micro-Precise Stroke Depth Repeatability for Zero-Defect Series Production

Dual non-contact linear transducers continuously track the down-stroke movement to hold final depth limits within single-digit microns. This extreme position loop produces net-shape gear geometries, completely bypassing the need for expensive post-forge tooth profiling.

04

Multi-Stage Velocity Control Profiling Eliminating Surface Metal Tearing

Proportional flow valves allow operators to dynamically scale the pressing speeds down to precise single millimeters per second. Managing the material flow velocity prevents extreme frictional heat accumulation, protecting the component finish and extending tooling coatings.

05

Integrated Hydraulic Bottom Ejector System Minimizing Cycle Dwell Times

A synchronized high-speed knockout pin assembly immediately strips tightly compressed bushings from deep die pockets upon ram reversal. This instant mechanical extraction facilitates rapid part transfer sequences to maximize total hourly production line output.

06

Near-Net-Shape Component Formation Driving Massive Material Cost Savings

Cold forging components directly to final blueprint specifications eliminates traditional metal turning, chipping, and milling waste entirely. Maximizing raw stock utilization ratios yields major cost reductions on premium chromium-molybdenum gear steels and alloy wires.