Extrude Hone Abrasive Flow Machining

The versatile answer to Abrasive Flow Machining on a budget

During abrasive flow machining, the abrasive media flows through the workpiece, effectively performing erosion. Abrasive particles in the media contact raised positive features on the surface of the workpiece and remove them. The media is forced through the workpiece by a hydraulic ram, becoming a flexible file or slug that molds itself precisely to the shape of the workpiece. The highest amount of material removal occurs in areas where the flow of the media is restricted, as the flow speed and pressure of the media increase in these areas, facilitating a higher material removal rate. The pressure exerted by the media on all contacting surfaces results in a very uniform finish. The rate at which material is removed from the surface by the abrasive media depends on several factors:


  • Type of material
  • Hardness of material
  • Quality or density of material
  • Size and amount of passages to be processed


  • Media flow rate or speed of each pass or cycle
  • Media carrier viscosity: high, medium, low, or different combinations of 2 will change the characteristics of the media's effectiveness on different materials and hole sizes
  • Abrasive particle size: ranging from a fine powder-like 1000-grit to 8-grit comparable to small rocks or gravel
  • Abrasive concentration per pound of media

You Control the Process

AFM is a controllable machining process. You can control the media flow rate and pressure, volume, and type of media, media temperature, and, consequently, the amount of material that is removed. For any given application, the surface finish improvement, radius generation and/or stock removal can be determined and monitored to ensure repeatability.

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The ECOFLOW series machines are specifically designed for the small die maker or job shop owner. It is the ideal economical alternative for processing carbide dies for precise and repeatable surface finish improvement as well as short-run polishing and radiusing of surfaces and edges of critical components. ECOFLOW is the solution when there can be no compromise in edge and surface improvement conditioning.

The ECOFLOW machine uniformly smooths and blends in features, automatically and controllably, to the same quality level as its larger counterparts in the Extrude Hone AFM Product Portfolio. AFM technology can consistently finish internal curved and complex surface locations which are unreachable by any other means.


  • Media cylinder - Available with different size of media cylinders: 80mm (3.15“) or 100mm (3.8“).
  • Media stroke - Stroke is 250mm (9.8“).
  • Media flow rate and pressure - Flow rates are between 4,1 L/min and 6,5 L/min and pressure respectively between 207 bar (3000 psi) and 140 bar (2000 psi).
  • Clamp system - Fully hydraulic with clamp system with interval of 250mm (9.8“).
  • Control panel - Equipped as standard with Siemens touchscreen HMI.

Abrasive Flow Machine ecoflow


EASYFLOW polishes your dies up to the ultimate performance level. With large capacity, strong hydraulic power, the ability to process large dies, and astonishing simplicity, EASYFLOW brings your production a step forward in competitiveness. Save time and money. Invest now in state-of-the-art economical die polishing machine directly from the inventor of the Abrasive Flow Machining process – Extrude Hone – a name you can trust.


  • Media cylinder - Available with different size of media cylinders: 6” (150mm), 8” (200mm), or 10” (250mm).
  • Media stroke - Stroke is 12.5” (320mm).
  • Media flow rate and pressure - Flow rates are between 19 and 53 L/min and pressure up to 1450 psi (100 bar) with 6“ (150mm) media cylinder.
  • Clamp system - Fully hydraulic clamp system with maximum opening of 21.6” (550mm).
  • Control panel - Equipped as standard with Siemens control and 7.5” Siemens touch screen.

Abrasive Flow Machining Easyflow

Dimensions (W x D x H) 809 x 1367 x 2121mm (31.9 x 53.8 x 83.5”) 1350 x 1900 x 2300mm (53.15 x 74.8 x 90.5“)
(W x D x H cylinder head up)   1350 x 1900 x 2600mm (53.15 x 74.8 x 102.4“)
Weight 910 kg (2000 lbs) 2000 kg (4400 lbs)
Table height 1050mm (41.3”) 1040mm (41”)
Working area surface (W x D) 809 x 838mm (32 x 33”) 865 x 760mm (34 x 30”)
Maximum weight supported by the table 100 kg (220 lbs) 300 kg (660 lbs)
Clamping System: Stroke 250mm (9.8”) 500mm (20”)
Max opening 250mm (9.8”) without tooling plates 550mm (22”) without tooling plates
Min opening 0mm (0”) without tooling plates 46mm (1.8”) without tooling plates
Working distance between clamp columns   865mm (34.1”)
Media System: Media cylinder diameter 80mm (3.15”) 100mm (3.8”) 150mm (6”) 200mm (8”) 250mm (10”)
Media stroke length 250mm (9.8”)     320mm (12.5”)  
Media capacity 1,3 L/1,7 kg (77 cu.in.) 2 L/2,6 kg (120 cu.in.) 5,6 l/7,3 kg (345 cu.in.) 10 l/13 kg (613.5 cu.in.) 15,7 l/20,4 kg (958.5 cu.in.)
Min media pressure 34 bar (500 psi) 24 bar (350 psi) 10 bar (145 psi) 6 bar (87 psi) 4 bar (58 psi)
Max media pressure 207 bar (3000 psi) 140 bar (2000 psi) 100 bar (1,450 psi) 61 bar (885 psi) 41 bar (595 psi)
Media flow rate 4.1 L/min (1.09 GPM) 6.5 L/min (1.71 GPM) 19 L/min (5 GPM) 34 L/min (9 GPM) 53 L/min (14 GPM)
Hydraulic Unit: Maximum pressure 140 bar (2000 psi) 100 bar (1,450 psi)
Pump flow rate 6,5 L/min (1.71 GPM)/8 L/min (2.11 GPM) 19 L/min (5 GPM)
Tank capacity 50 l (11 gal) 130 l (34.5 gal)
Electrical Specifications The machine is PLC controlled with Siemens PLC.
Equipped with A 5.7“ Siemens touchscreen.
Electrical (EU and Asia) 400 VAC, 3 Phase +N +PE, 50 Hz.
Electrical (North America) 230/460 VAC, 3 Phase, 60 Hz.
Control 24VDC.
Installed power/amperage peak 10 kVA/25A.
Status light: Red – Amber – Green
The machine is PLC controlled with Siemens S7-200.
Equipped with 7.5" MP277 touch screen interface from Siemens.
Electrical (EU and Asia) 400 VAC, 3 Phase +N +PE, 50 Hz.
Electrical (North America) 230/460 VAC, 3 Phase, 60 Hz.
Control 24VDC.
Installed power/amperage peak 10 kVA/25A.
Status light: Red – Amber – Green
Machine Features Optimized aluminum extrusion frame construction maximizes
strength while minimizing weight. ECOFLOW is easily moved
with a standard pallet jack and is designed to fit through a normal
Strong welded frame with large table working area.
Built-in hydraulic group and electric cabinet at the rear.
Aluminum cooling wraps around top and bottom media cylinders
(to be connected to a cooling unit not included).
Cycle and volume media parameters, manual pressure adjustment.
Available Options Autoflow controls
Light curtain protection
Mitsubishi PLC and HMI
Cooling cup
Chiller unit.
Table or stand alone blowing unit.
Table ultrasonic unit.
Media cylinder size (150mm, 200mm, or 250mm).

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