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What is Creep Feed Grinding

  • Creep feed grinding is characterized by lower workpiece speeds and higher depths of cut resulting in a larger arc length of contact between the grinding wheel and workpiece when compared with reciprocating or pendulum grinding.
  • Creep feed grinding achieves significantly higher productivity in mass production compared to reciprocating grinding.
  • With today's conventional, highly porous grinding wheels, very high material removal rates are achieved with creep feed grinding.
  • The wheel wear is typically lower than in reciprocating grinding.
  • The surface quality is typically better than in reciprocating grinding.
  • Creep feed grinding operations require rigid and robust machines to ensure the quality of the workpieces given the higher grinding forces.
  • Grinding wheels with vitrified bonds are usually dressed with profile rollers that correspond to the finished workpiece profile.
  • Materials that are difficult to machine, such as nickel-based superalloys like those used in aerospace jet engines, can today be economically processed with electroplated or vitrified CBN grinding wheels.

 

 

Reciprocating Grinding

 Reciprocating Grinding

Creep Feed Grinding

Creep Feed Grinding 

Depth of Cut [mm]  0.001 to 0.100  1 to 12
Workpiece Speed [m/min]  10 to 40  0.07 to 1
Wheel Speed [m/s]  20 to 50  15 to 45
Arc of Contact [mm]  0.5 to 6.7  17 to 70

Specific Material Removal Rate

Q'w [mm3/(mm/s)]

 0.5 to 4 8 to 80 
Number of Grinding Passes  As many as needed to achieve full material removal  Usually 1

 

Typical Application for Creep Feed Grinding

  • Aerospace flap
  • Lubrication grooves for the bearing industry
  • Teeth grinding for shaver blades 
  • Steering pistons for the truck industry
  • Turbine blades
  • Outer diameter profile ofrotor parts.
  • Sliding Caliper
  • Vanes
  • Rocker arm
  • Slots for rotor parts
  • Intermediate lever
  • Shaver blades
  • Toothing of Saw blades
  • Cutting inserts
  • ID grinding stator
  • Lock pins
Precision Surfacing Solutions family of brands
PSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeter PSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeterPSSLapmasterBarnesElbabaReformKehrenMicronPeter
  • PRECISION SURFACING SOLUTIONS

    PRECISION SURFACING SOLUTIONS supports manufacturers in a wide variety of industries in which precision grinding, lapping, polishing, deburring and advanced materials processing equipment is commonly used. They all need high-quality, high-precision, stable and well-engineered machines to manufacture high-quality work pieces.

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  • Micron

    Produced in Germany since 2009, MICRON machines are compact and dynamically rigid grinding machines especially designed for Creep Feed and Profile grinding. MICRON is an industry leader in grinding of Hydraulic components like stators, rotors and van pumps.

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  • KEHREN

    Founded in 1934, KEHREN is a well-established designer and builder of high-precision grinding machine tools and systems under the following categories: vertical grinding centers, vertical grinding centers with portal design, surface grinders with rotary tables and horizontal spindles, and surface grinders with dual rotary tables and vertical spindles.

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  • REFORM

    REFORM Grinding Technology GmbH is specialized in the sales, development & production of grinding machines for various applications at its location in Fulda (Germany).

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  • aba Grinding

    The aba company was founded in 1898 under the name "Messwerkzeugfabrik Alig & Baumgärtel Aschaffenburg", hence the initials aba. Today, the aba Grinding Technologies is exclusively focused on the advancement and production of precision surface and profile grinding machines.

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  • ELB-Schliff

    ELB-Schliff Werkzeugmaschinen GmbH has been producing surface and profile grinding machines for over 60 years. The company was founded by Edmund Lang in the city of Babenhausen which led to the name "ELB-Schliff".

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  • Barnes Honing

    Since 1907 Barnes has been considered a world leader in developing innovative honing and bore finishing technology and processes. The earliest Barnes honing machines were the first to make honing a practical and efficient means of finishing automotive cylinder bores in a production environment.

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  • Lapmaster Wolters

    Founded in Chicago in 1948 as a manufacture of lapping and polishing machines for the mechanical seal market, Lapmaster has grown to a worldwide solution provider for more than 20 industries like precision optics and advanced materials.

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  • Peter Wolters

    Founded in Germany in 1804 by Mr. Peter Wolters, Peter Wolters has been producing lapping, polishing and fine grinding equipment since 1936. Peter Wolters delivered its first machine to the silicon wafer processing market in 1961 and remains an industry leader in wafer polishing as well as general industry fine grinding.

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