Filling shoes for powder presses More than just simple powder distributors

The ROBOWORKER filling shoes for powder presses ensure optimal powder flow, extending from the powder silo to the cavity. This significantly contributes to highest part quality and process stability.

Innovative design with 3D printing

In the production of our high-quality filling shoes, we leverage state-of-the-art manufacturing technologies. By combining 3D-printed plastic elements with CNC-manufactured components, we create lightweight, precise, and robust filling systems. This optimized design allows for even filling of the cavities and ensures excellent density distribution. As a result, consistently high product quality is achieved, meeting even the strictest requirements.

Wide selection of filling shoe variants

Discover our comprehensive family of filling shoes, which precisely fill both single and multiple cavities. In our range, you will also find variants with mini hoppers, ideal for small batches and test parts, as well as flexible accessory kits that provide you with additional options

Our filling shoes can be perfectly integrated into our ROBOWORKER powder presses RP and nearly all powder presses.

For further information, please do not hesitate to contact us!

Overview of ROBOWORKER filling shoe variants for single and multiple cavities.
Projektleitung Pulverpresse RP
David Scheck
Head of Business Unit Compacting Technology

Innovative filling shoe concept Small details, big impact

Our filling shoe technology combines innovative details, including an optimized structure, lightweight materials, and flexible adjustment options that allow for precise customization of filling parameters. Additionally, the filling shoes are wear-free, as they are equipped with interchangeable high-performance seals, among other features. These characteristics not only enhance the efficiency of your production but also ensure exceptional performance.

All advantages at a glance

Gain production advantages and improve part quality with ROBOWORKER's unique filling shoe technology.

Flexible adjustment options

Various adjustment options on the filling shoe enable optimal customization of the filling parameters, resulting in excellent density distribution and part quality.

Innovative design

With their topology-optimized structure and the use of lightweight materials, the filling shoes can achieve the highest dynamics during filling. Furthermore, the filling shoe features integrated suction.

Wear-free

The high-performance sealing rings and glide feet tested for continuous operation demonstrate their robustness and are interchangeable, making the filling shoes particularly maintenance-friendly and durable.

Easy cleaning

The special surface treatment allows for easy and residue-free cleaning, preventing powder carryover.

Filling shoe portfolio optimized for excellent powder flow

The ROBOWORKER filling shoes can be perfectly integrated into nearly all powder presses. To ensure an optimal fit, the filling shoes are available in various designs:

  • Round filling shoe, inner diameter 50 mm
  • Round filling shoe, inner diameter 70 mm
  • Round filling shoe, inner diameter 90 mm
  • Oval filling shoe, inner dimensions 50 mm x 100 mm
  • Oval filling shoe, inner dimensions 50 mm x 140 mm

The standard variants listed above are tailored to the volume to be filled and the pressing forces. Custom adjustments to the standard filling shoes are available upon request for a one-time design fee.

Features
Advantages
  • Designed for optimal process stability
  • Process-optimized inner contour
  • Interchangeable high-performance seals and glide feet
  • Integrated suction
  • filling tube reproducibly adjustable
  • designed for optimal powder flow

Variants with Mini Hopper the ideal add-on for small batches and test parts

The mini hopper is a compact powder funnel that can be either mounted on the filling shoe or permanently integrated with it, providing direct powder feed without detours. In contrast to conventional powder supply via hoses, the mini hopper offers direct and efficient filling. This makes it ideal for smaller batches and test parts. Thanks to its easy accessibility and refillability, it ensures uncomplicated handling and maximum flexibility in the production process.

  • Filling shoe 50 with integrated mini hopper (filling volume: 350 ml)
  • Filling shoe 70 with separate, attachable mini hopper (filling volume: 450 ml)
  • Filling shoe 90 with separate, attachable mini hopper (filling volume: 450 ml)
Features
  • Mobile powder container
  • Direct powder supply without hose
  • Easily accessible for refilling and cleaning
  • ideal for small batches and test parts
  • Delivered in white as standard (available in black upon request)

Adapter Kits for seamless powder silo connection of the filling shoe

Our adapter kits allow you to flexibly adjust the hose diameter to optimally connect the powder silo of your press with the filling shoe. Each kit includes an adapter for a larger nominal width, the corresponding larger hose, and various reducers. These components ensure precise alignment of the hose’s inner diameter with the flange of the customer’s powder silo.

Adapter kits for standard filling shoes with inner diameters of 50 mm and 70 mm

  • Adapter Kit 1: For filling shoe 50 to flange diameter 15 - 25 mm
  • Adapter Kit 2: For filling shoe 50 to flange diameter 20 - 32 mm
  • Adapter Kit 3: For filling shoes 70 and 90 to flange diameter 20 - 32 mm
  • Adapter Kit 4: For filling shoes 70 and 90 to flange diameter 15 - 25 mm
Assembly example for using the adapter kit for powder silo connection
Assembly Example: Connecting the customer’s powder silo with adapter kit 3
The adapter kit for the customer-specific fork mount in wide design

Adapter kit for filling shoe fork for secure and efficient connection

To connect an existing customer-specific filling shoe fork, we also offer an adapter kit. This kit allows both the diameter and width of the fork mount on the filling shoe to be adjusted flexibly. It includes adapters for various mount diameters as well as an alternative shaft for individual adjustment of the fork width.

Image (left): Assembly example on filling shoe 70

ROBOWORKER team in front of powder press in production hall
Montagebeispiel
ROBOWORKER Powder Press RP 120
Powder Presses RP
Powder compacting cell RPC 120 with automation PAG 80 Magazine Solutions
Powder Compacting Cells RPC

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Questions & Answers If you do not see your question here, please feel free to contact us.

What are filling shoes for powder presses?

A filling shoe is a component used for distributing powder within a powder press. It is responsible for filling materials such as tungsten carbide or ceramic powder into the die to produce a compact (green part). The filling shoe moves horizontally over the die plate, guiding the powder into the cavity. Powder is fed into the filling shoe via a hose connected to the powder silo (storage).

What makes ROBOWORKER’s filling shoes special?

ROBOWORKER’s filling shoes for powder presses are designed to ensure optimal powder flow, uniform filling of the cavity, and flexible adjustments to fine-tune filling parameters. This results in excellent density distribution and high-quality compacts.

Key features:

  • Optimized Structure: With topology-optimized design and lightweight materials, they achieve high dynamics during filling.
  • Integrated Extraction: A special surface treatment allows for easy, residue-free cleaning, preventing powder contamination.
  • Durability: Glide rings tested for continuous operation provide extended product lifespan.
  • Maintenance-Friendly: The modular design allows for quick and easy replacement of wear parts.
What standard variants does ROBOWORKER offer?

Our range of high-performance filling shoes currently includes five standard models and three variants with mini hoppers:

  • Round Filling Shoe: 50 mm inner diameter
  • Round Filling Shoe: 70 mm inner diameter
  • Round Filling Shoe: 90 mm inner diameter
  • Oval Filling Shoe: 50 mm x 100 mm inner dimensions
  • Oval Filling Shoe: 50 mm x 140 mm inner dimensions
  • Filling Shoe 50 mm: with integrated mini hopper (350 ml capacity)
  • Filling Shoe 70 mm: with attachable mini hopper (450 ml capacity)
  • Filling Shoe 90 mm: with attachable mini hopper (450 ml capacity)

Color Options: Our filling shoes are supplied in white by default. Versions in black are available upon request for an additional fee.

Custom Modifications: We are happy to make custom adjustments to our standard filling shoes. A one-time design fee applies for these modifications.