Editorial Technical Reference

Feed Frame

This page explains how Feed Frame is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A structural component in powder feeding systems that supports and positions feeding mechanisms.

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Feed Frame in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Feed Frame

Definition
The Feed Frame is a critical structural component within Powder Feeding Systems that provides rigid support and precise positioning for various feeding mechanisms, hoppers, and metering devices. It ensures stable alignment and proper integration of feeding components within the overall system architecture. This frame is typically fabricated from carbon steel or stainless steel, with material grades such as 304 or 316L (the latter for corrosive environments) as referenced in ASTM A240. The frame's overall dimensions are customizable per machine layout, with a reference range of 800×600×400 mm (L×W×H), and its weight typically falls between 120 and 180 kg depending on material and thickness. Surface finish can be specified to Ra 0.8–1.6 μm (ISO 4287), with food-grade options available. Flatness and parallelism tolerances are held to ±0.05 mm and ±0.03 mm respectively, per ISO 2768-mK, ensuring sealing and feed accuracy. The operating temperature range is -20 to 80°C, with seals degrading above 80°C, and the operating pressure range is 1.0–1.6 MPa, noting that The frame's static load capacity is 500–1000 kg. IP ratings of IP54–IP65 (IEC 60529) are available, with IP65 for washdown environments. Mounting holes are sized for M10–M14 bolts, with diameters of 12–16 mm (ISO 273) and bolt hole spacing of 100–200 mm per drawing. These values are directory reference ranges and must be confirmed for the specific model and application with the legal manufacturer or supplier. The Feed Frame is a part-level component, not a standalone machine, and its design must be integrated with the overall powder feeding system architecture.
Working Principle
The Feed Frame serves as a stationary structural foundation that maintains the geometric relationship between feeding components. It absorbs operational vibrations and mechanical stresses while ensuring consistent positioning accuracy for reliable powder transfer operations. By providing a rigid platform, it prevents misalignment of hoppers, metering devices, and other feeding mechanisms, which is critical for maintaining feed rate consistency and preventing material spillage or blockages. The frame's flatness and parallelism tolerances ensure that mating surfaces seal properly, and its load capacity supports the weight of mounted components. The frame does not actively participate in powder flow but rather provides the necessary stability and alignment for the system to function correctly.
Common Materials
Carbon Steel, Stainless Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Overall Dimensions (L×W×H)800×600×400 mmCustomizable per machine layout
Weight120–180 kgDepends on material and thickness
Material Grade304/316L316L for corrosive environmentsASTM A240
Surface FinishRa 0.8–1.6 μmFood-grade optionalISO 4287
Flatness Tolerance±0.05 mmEnsures sealingISO 2768-mK
Parallelism Tolerance±0.03 mmCritical for feed accuracyISO 2768-mK
Operating Temperature-20–80 °CSeals degrade above 80°C
Operating Pressure1.0–1.6 MPa
Load Capacity500–1000 kgStatic load on frame
IP RatingIP54–IP65IP65 for washdownIEC 60529
Mounting Hole Diameter12–16 mmFor M10–M14 boltsISO 273
Bolt Hole Spacing100–200 mmPattern per drawing

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Support Beams Part
    Primary structural members that provide load-bearing capacity
    Material: steel
  • Mounting Plates Part
    Attachment points for feeding mechanisms and components
    Material: steel
  • Reinforcement Brackets Part
    Additional structural supports to prevent deformation under load
    Material: steel

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar
flow rate: 0.1 to 100 m³/h
temperature: -20°C to 150°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Pharmaceutical powders ✓ Food-grade granular materials ✓ Chemical powders and granules
Unsuitable: Highly corrosive acidic slurries
Sizing Data Required
  • Required flow capacity (kg/h or m³/h)
  • Particle size distribution of material
  • System operating pressure requirements

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue failure
Cause: Inadequate lubrication leading to metal-to-metal contact, excessive loading from misalignment, or contamination ingress causing abrasive wear and eventual spalling
Structural fatigue cracking
Cause: Cyclic loading from material flow impacts, vibration-induced stress concentrations at weld joints or mounting points, and material fatigue from continuous operation without proper inspection intervals
Maintenance Indicators
  • Abnormal vibration patterns or audible knocking sounds during operation indicating bearing wear or structural looseness
  • Visible material leakage around seals or joints, or irregular material flow patterns suggesting internal component degradation
Engineering Tips
  • Implement precision alignment procedures during installation and reinstallation, using laser alignment tools to ensure shaft and drive components are within 0.002 inches tolerance to prevent premature bearing failure
  • Establish a proactive lubrication management program with scheduled intervals using manufacturer-recommended lubricants, and conduct regular vibration analysis to detect early-stage bearing wear before catastrophic failure occurs

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI B11.19 Performance Requirements for Safeguarding CE Marking (Machinery Directive 2006/42/EC)

Quoted from the published standard.

Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Surface Flatness: 0.05mm per 100mm
Quality Inspection
  • Dimensional Verification with CMM
  • Hardness Testing (Rockwell C Scale)
Technical documentation
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Manufacturing capability
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Inspection readiness
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Manufacturers of Feed Frame

Manufacturer profiles associated with Feed Frame.

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Frequently Asked Questions

What is the primary function of a Feed Frame?

The Feed Frame provides rigid structural support and precise positioning for feeding mechanisms, hoppers, and metering devices within a powder feeding system. It maintains alignment and absorbs operational stresses to ensure reliable powder transfer.

What materials are commonly used for Feed Frames?

Feed Frames are typically made from carbon steel or stainless steel. Stainless steel grades 304 and 316L are referenced, with 316L recommended for corrosive environments. Material grade should be confirmed with the manufacturer for the specific application.

What are the key dimensional tolerances for a Feed Frame?

Flatness tolerance is ±0.05 mm and parallelism tolerance is ±0.03 mm, both per ISO 2768-mK. These tolerances are critical for sealing and feed accuracy. Actual values may vary based on the model and must be verified.

What operating conditions can a Feed Frame withstand?

The operating temperature range is -20 to 80°C, with seals degrading above 80°C. Operating pressure is 1.0–1.6 MPa. IP ratings up to IP65 are available for washdown. These are reference ranges; confirm with the manufacturer.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Powder Feeding System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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