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Doctor Blade
- Technical Requirements
- Select composite doctor blades by elastic modulus and wear rate; metal blades must not score the roll surface.
A doctor system holds a long blade against a roll at a controlled line load to release the sheet or remove water films, coatings and deposits. Blade material, bevel angle, line load, oscillation speed and roll surface must be matched to avoid rapid blade wear or roll damage.
A doctor system holds a long blade against a roll at a controlled line load to release the sheet or remove water films, coatings and deposits. Blade material, bevel angle, line load, oscillation speed and roll surface must be matched to avoid rapid blade wear or roll damage.
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Doctor Blade
Blade Holder
Loading System
Backing roll / support roll
Doctor Beam
Oscillation System
Blade Guide Plate
Seals
Bearings / bushes
Materials for similarly named parts may differ by OEM, machine model and operating conditions. Confirm the machine model, OEM drawing number and measured dimensions before ordering or manufacture.
Provide the machine model, operating conditions and target service life so our engineers can recommend materials and prepare a quotation.
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ANRANST provides customers worldwide with engineering assessment, production at certified foundries to drawing, quality control and finished-part delivery for custom wear parts and industrial spares, with scope to support other custom industrial parts.
We review mating surfaces and interface dimensions and assess material, heat treatment and manufacturing feasibility.
Material grades and heat-treatment processes are specified order by order, confirmed in the technical agreement and tracked through production.
Drawing confirmation, material and process control, production tracking, inspection and acceptance coordination.
We coordinate manufacturing, quality confirmation, packaging and delivery of complete finished parts in a workable, closed-loop supply process.
Provide the existing model, drawings, drawing or part numbers, materials or operating conditions so we can identify the appropriate technical review and supply route.
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