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200T Small Bushings & Bearings Press press view 1
Small Bushings & Bearings · Hydraulic Press Machine

200T Four Pillar Hydraulic Press for Small Automotive Bushings & Bearings

200T Rated Capacity
100 mm/s Slider Down Speed
7–18 mm/s Slider Pressing Speed
90 mm/s Slider Return Speed
200T Small Bushings & Bearings Press press view 1
200T Small Bushings & Bearings Press press view 2
200T Small Bushings & Bearings Press press view 3
200T Small Bushings & Bearings Press press view 4

01 — Press System

200T Four Pillar Hydraulic Press Machine

The 200-ton four-pillar hydraulic press delivers fast, high-precision compaction control optimized for small, thin-walled powder metallurgy components. Its compact four-pillar guidance frame maintains high repeatable accuracy and consistent pressing force across rapid production cycles.

Use Case

This press system is engineered for high-speed compaction of small automotive bushings, self-lubricating bearings, and structural sleeves. It ensures uniform green density in small-diameter parts to enable precise porosity distribution for post-sintering oil impregnation.

  • Core Applications: Designed for high-volume automotive manufacturing of engine auxiliaries, electric motor mounts, and suspension bushings. It produces self-lubricating sleeve bearings and small wear components requiring tight radial tolerances and smooth inner bore surfaces.
  • Material: Processes iron-based, bronze (Cu-Sn), iron-copper blends, and stainless steel powders mixed with graphite, lubricants, and binder systems. These formulations support high-density compaction and allow optimal oil retention during post-sintering oil impregnation processes.
  • Products Processed: Compacts small automotive bushings, flanged sleeve bearings, spherical oil-retaining bearings, spacer rings, and steering shaft sleeves. It handles intricate thin-walled cylindrical geometries with high concentricity and uniform wall thickness.
  • Why 200-Ton Hydraulic Press: Offers the ideal tonnage range and rapid stroke speed for small surface area components where higher capacity presses would be inefficient. Its sensitive pressure control prevents wall-frictional cracking and delicate flange fractures during ejection of small green compacts.

02 — Technical Specifications

SM 200 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA

The SM 200 HP – 200 Ton Hydraulic Press Machine is a high-performance powder metallurgy compaction press designed for the efficient production of small bushings, bearings, and other precision PM components. Featuring a robust four-pillar construction, precise pressure control, and high-density uniformity, it delivers consistent part quality and dimensional accuracy.

Capacity & Structural Design

  • Rated Capacity: 200 Tons (≈ 1960 kN)
  • Type: Fourpillar hydraulic PM compaction press
  • Frame: High rigid welded structure
  • Safety factor: ≥ 1.30–1.35
  • Parallelism accuracy: ≤ 0.02–0.04 mm (critical for bearings)

Hydraulic System

  • Cylinder: Doubleacting / precision multi-action
  • Bore: 220–280 mm
  • Stroke: 250–500 mm
  • Working pressure: 25–30 MPa
  • Control: Servo-proportional precision system

Multi-Level Compaction: 

  • Upper punch control 
  • Lower punch control 
  • Floating die (optional)

Ensures:

  • Uniform density across part
  • Minimal internal stress

Compaction Cycle

  1. Powder filling into die cavity
  2. Upper punch descent & lower punch support
  3. Pre-compaction (air removal)
  4. Final compaction (densification)
  5. Pressure holding
  6. Controlled decompression
  7. Ejection of green compact

Working Envelope

  • Platen size: 500 × 500 mm
  • Daylight: 500–800 mm
  • Column diameter: 80–120 mm

Control System

  • PLC: Siemens / Mitsubishi / Delta
  • HMI: Precision control panel

Controls:

  • Pressure profile
  • Stroke displacement
  • Density control

Features:

  • Real-time monitoring
  • Data logging (traceability)
  • Safety PLC

SM 200 HP — Model Specifications

  • Nominal Force: 2000 KN
  • Maximum Hydraulic Pressure: 25 MPa
  • Max Opening Height of the Slider: 1100 mm
  • Max Stroke of the Slider: 700 mm
  • Effective Bed Size: 1000 × 1000 mm
  • Slider Down Speed: 100 mm/s
  • Slider Pressing Speed: 7–18 mm/s
  • Slider Return Speed: 90 mm/s
  • Ejector Cylinder Nominal Force: 300 KN
  • Stroke of the Ejection Cylinder: 200 mm
Production Case Study

Powder Metallurgy Small Bushings & Bearings Production Line

Fe-base, alloy powderRaw Material
10 g to 200 gProduct Weight
6.2 g/cm³ to 6.8 g/cm³Green Density
3to 6 SecCycle Time
High Speed Rapid Cycling
Controlled Interconnected Porosity
Thin Wall Geometry Capability
Multi Cavity High Output
Automated High Speed Feeding
Precise Concentricity Control
Minimal Finish Machining Need

03 — Die / Mold System

Precision Powder Metallurgy Small Bushings & Bearings Die Engineering

Precision Powder Metallurgy Small Bushings & Bearings Die Engineering focuses on designing high-accuracy tooling that ensures uniform powder filling, controlled compaction, and consistent component density. Engineered for tight tolerances and superior surface finish, these dies enable the efficient production of small bushings and bearings with excellent dimensional stability.

Technical Specifications (Tooling)

Tool Type

  • Precision powder metallurgy tooling
  • Core rod-based cylindrical forming system

Tool Materials

  • Tool steel: D2 / H13 / carbide inserts
  • Hardness: 58–64 HRC

Tool Construction

  • Upper punch: Outer shape
  • Lower punch: Base support
  • Die cavity: Outer diameter control
  • Core rod: Inner bore (critical for bushings)

Core Rod System: High precision ground rods Replaceable inserts High wear resistance

Alignment Accuracy: ±0.01 mm

Surface Finish

AreaFinish
Inner borePrecision polished
Outer surfaceSmooth
Functional surfacesGround finish

Lubrication

  • Internal powder lubrication
  • Tool surface coatings (optional: TiN, DLC)

Tool Life: 200,000 – 500,000 cycles

Case Study (Die Performance)

Powder Metallurgy Small Bushings & Bearings Die Mold

Tungsten Carbide, D2 steelDie Steel
62 to 66 HRCHardness
Vacuum HardeningHeat Treatment
High Resistance To Abrasion
Superior Surface Finish Quality
High Concentricity Precision Control
Excellent Anti Galling Performance
Tight Dimensional Tolerance Retention
Extended High Volume Life
High Compressive Fatigue Strength

04 — Product Application

Where Powder Metallurgy Small Bushings & Bearings Are Used

The Powder Metallurgy Small Bushings & Bearings industry serves a wide range of applications that require compact, wear-resistant, and precision-engineered components. These parts are extensively used in automotive systems, electric motors, power tools, household appliances, and industrial machinery, where smooth rotational movement and reduced friction are essential.

Industry Applications

Automotive Industry

The Automotive Industry extensively uses powder metallurgy small bushings and bearings in critical vehicle systems where low friction, durability, and precision are essential. These components are commonly applied as engine bushings, suspension bushings, gearbox bearings, and starter motor bushings, helping ensure smooth operation and reliable performance under continuous use.

Industrial Machinery

The Industrial Machinery sector widely uses powder metallurgy small bushings and bearings in applications such as conveyor bushings, machine spindles, and rotational components where smooth motion, durability, and low friction are essential. These components provide excellent wear resistance, dimensional accuracy, and reliable load support, ensuring efficient operation of industrial equipment.

Mobility Sector

The Mobility Sector extensively uses powder metallurgy small bushings and bearings in two-wheeler bushings and small engine components, where compact size, durability, and smooth operation are critical. These components help reduce friction, support rotating assemblies, and improve the efficiency of engines and transmission systems.

Electrical & Appliances

The Electrical & Appliances industry extensively uses powder metallurgy small bushings and bearings in motor bearings and cooling fan bushings, where smooth rotation, low friction, and reliable performance are essential. These components provide excellent dimensional accuracy, wear resistance, and long operational life, ensuring efficient operation of electric motors, fans, and household appliances.

IndustryScenario
Automotive Engine & transmission bushings
Industrial Rotating equipment
Mobility Lightweight components
Appliances Motor drive applications
Manufacturing High-volume PM parts

Finished Product Gallery

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05 — Key Advantages

Why Choose the 200-Ton Sinter Hydraulic Press

The 200-Ton Sinter Hydraulic Press is an ideal solution for manufacturing powder metallurgy small bushings and bearings, offering precise and controlled compaction for high-dimensional accuracy and uniform density. Its optimized compaction force ensures excellent powder densification, resulting in components with superior strength, wear resistance, and reliable performance.

01

High-speed production (3–6 sec cycle)

High-speed production (3–6 second cycle) is a key advantage of the 200-Ton Sinter Hydraulic Press for powder metallurgy small bushings and bearings. Its rapid cycle time enables high-volume manufacturing with increased throughput while maintaining consistent density, dimensional accuracy, and component quality. The fast and repeatable compaction process reduces production lead times, improves operational efficiency, and lowers per-unit manufacturing costs.

02

Near-net shape manufacturing

Near-net shape manufacturing is a key advantage of the 200-Ton Sinter Hydraulic Press for powder metallurgy small bushings and bearings. The precision compaction process produces components very close to their final dimensions, significantly reducing the need for secondary machining and finishing operations. This improves material utilization, minimizes production waste, and lowers manufacturing costs while maintaining high dimensional accuracy.

03

Self-lubricating properties (bronze bushings)

Self-lubricating properties (bronze bushings) are a significant advantage of powder metallurgy bushings produced using the 200-Ton Sinter Hydraulic Press. The porous structure of sintered bronze bushings can be impregnated with lubricating oil, allowing continuous self-lubrication during operation. This reduces friction, minimizes wear, and lowers maintenance requirements while improving component lifespan.

04

High wear resistance

High wear resistance is a key benefit of powder metallurgy small bushings and bearings produced using the 200-Ton Sinter Hydraulic Press. The precise compaction process creates components with uniform density and a durable microstructure, enabling them to withstand friction, abrasion, and continuous operating loads. This enhanced wear resistance extends service life, reduces maintenance requirements, and improves operational reliability.

05

Controlled porosity

Controlled porosity is a unique advantage of powder metallurgy small bushings and bearings produced using the 200-Ton Sinter Hydraulic Press. The precisely controlled pore structure allows lubricating oil to be retained within the component, enabling self-lubrication and reducing friction during operation. This enhances wear resistance, improves performance, and extends service life while minimizing maintenance requirements.

06

Precise tolerances

Precise tolerances are a key advantage of powder metallurgy small bushings and bearings produced using the 200-Ton Sinter Hydraulic Press. Its accurate compaction control ensures components are manufactured with tight dimensional tolerances and consistent geometry, reducing variation between production batches. This high level of precision improves assembly fit, minimizes the need for secondary machining, and enhances overall product performance.

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