Deburring

Deburring
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Deburring

Product catalog summary
Overview
This document is a catalog from Cogsdill Tool Products, Inc., focusing on deburring tools designed for efficient burr removal from drilled holes. It highlights various tools such as BURRAWAY®, BURR-OFF®, MICRO-LIMIT, ELLIPTI-BUR®, and NOBUR® Tool, each tailored for specific deburring needs.
One Pass Deburring
The BURRAWAY® tool features an adjustable, replaceable cutting blade for consistent edge break results, suitable for both fixed spindles and portable power tools. The BURR-OFF® tool is optimized for high-production, automated operations with an open-slot design for easy chip clearance.
Tool Specifications
Detailed specifications for BURRAWAY® tools are provided, available in both inch and metric programs. Tools are categorized into Type A, B, and C for inch sizes, and Type MA, MB, and MC for metric sizes, each with specific dimensions and blade sizes.
Blade Options and Recommendations
BURRAWAY tools offer double-acting blades for deburring both sides of holes, with options for front or back cutting only. Blade rake angles and spring tensions are recommended based on material types, such as positive rake for machine steel and neutral rake for aluminum.
Tool Adjustment and Maintenance
The BURRAWAY® tool is versatile and requires simple adjustments for edge break control. Regular maintenance involves checking for chips and foreign particles, with guidelines for blade life, regrinding, and cross-hole deburring provided.
BURR-OFF® Tool
Similar to BURRAWAY®, the BURR-OFF® tool is designed for automated, high-production environments, featuring a simple one-piece construction with integral cutting edges and a sliding tension-adjustment feature for edge break control.
Conclusion
Cogsdill Tool Products offers a comprehensive range of deburring tools designed to meet various production needs, providing fast, easy, and economical solutions to deburring challenges.
Design Features and Specifications
The document details specifications and design features for various deburring tools, including Burr-Off®, Micro-Limit, Ellipti-Bur®, and Nobur® tools, each designed for specific applications like deburring irregular hole surfaces or precision depth-control countersinking.
Burr-Off® Tools
Burr-Off® tools are available for hole sizes from .093 inch to 1.000 inch, featuring single or dual cutting edges. A detailed table lists tool numbers, hole sizes, shank diameters, and other dimensions. Maintenance includes periodic inspection and edge resharpening.
Micro-Limit Tools
The Micro-Limit tool is a precision depth-control countersinking tool with interchangeable countersinks and pilots, offering depth control adjustment in .001 inch increments, suitable for rugged production work.
Ellipti-Bur® Tools
Ellipti-Bur® tools are designed for deburring irregular hole surfaces, featuring a spring-loaded, self-centering conical pilot, available in three models covering a range of hole sizes.
Nobur® Tools
The Nobur® Tool is a manually actuated deburring and chamfering tool for low production requirements, featuring a free-rolling knurled sleeve for manual retraction and extension of the blade.
Tool Maintenance and Recommendations
Each tool type includes specific maintenance and operating recommendations to ensure long tool life and optimal performance, such as keeping tools free of grit and replacing dull cutting edges.
Application Considerations
Guidelines for application considerations, such as drilling techniques and speed recommendations, are provided to maximize tool effectiveness and avoid excessive burr creation.
Standard Tool Specifications
Specifications for Nobur® Tools include standard and modified cutter options, with measurements for hole size, working depth, pilot length, shank diameter, and overall tool length.
Blade Types and Applications
Nobur® Tools feature blades made from hardened, precision-ground high-speed steel, with three blade styles available for different applications.
Tool Operation and Material Compatibility
Nobur® Tools can be operated on various machines and are compatible with a wide range of materials, with recommended operating speeds from 50 to 650 RPM.
Blade Replacement and Maintenance
Procedures for replacing and regrinding blades are outlined, emphasizing the importance of keeping blades sharp to avoid excessive pressure during operation.
Tool Sizes and Angles
Tool sizes and corresponding angles for various Nobur® Tool models are listed, providing guidance on primary and secondary angles for specific tool numbers.
Resharpening Guidelines
Instructions for resharpening cutting blades are provided, with a table offering guidance on maintaining original factory standards.
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Catalog excerpts

Deburring-1

2 One Pass Deburring 4 Burraway > 12 Burr-Off > ή 16 Micro-Limit 20 Ellipti-Bur > 24 Nobur > ή Tool > Deburring COPYRIGHT2006 COGSDILLTOOLPRODUCTS, INC. CATALOG NO. 100 U.S. 5-06 size="-2">

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Deburring-2

Deburring holes is usually a costly andtime-consuming operation. The back sidesof holes are particularly difficult, as theyare frequently inaccessible with > The BURRAWAY features a replaceable and inexpensivecutting blade which can be adjusted to control the amountof edge break for consistent results from part to part. Thetool can remove feather edges or heavier burrs, on bothsides of the hole, working from one side only. The BURRAWAYcan be used in fixed spindles or in portablepower tools Ζ no need for complicated fixturing, and nospecial operator skills are required.The BURR-OFF conventional...

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Nobur > Tool Burraway > ή Burr-Off > Micro-Limit Ellipti-Bur > ή thebroadest array of hole-deburring tools in the marketplace.Let us help you meet your production needs with fast,easy, and inexpensive > to tough deburring problems. 3 >

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Cogsdill Tool Products, Inc. > . Upon entry, spring tension holds the replaceable and adjustable cutting blade in theextended position as it removes the burr onthe front of the hole. > . As the feed load increases, the pre-setspring tension is exceeded and the bladeretracts automatically as the tool passes through the workpiece. (The crowned and polished top surface of the blade will not marthe inside surface of the hole.) > . Spring tension again causes the blade toextend as it emerges from the ID of the part;the burr is removed on the back side of the hole on the return stroke. > Burraway BURRAWAY...

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( All dimensions below are in inches) HOLE SIZEDEC. EQUIVDIM. ADIM. B DIM. C BLADE SIZE 3/32.0933.37.45.283/32* 7/64.1093.37.45.283/32* 1/8.1253.37.45.251/8 9/64.1403.37.45.251/8 > 5/32.1563.37.45.255/32 11/64.1713.37.45.255/32 > ( All dimensions below are in inches) 3/16.1874.12.72.443/1613/64.2034.12.72.443/16 > HOLE SIZEDEC. EQUIVDIM. ADIM. B DIM. C BLADE SIZE 7/32.2184.50.87.56#1 > *See ΓBurraway Blade Data, page 10, refer to note under ԓBlade Replacement. Intermediate sizes are available; request quotation. 15/64.2344.50.87.56#1 1/4.2504.50.87.56#1 17/64.2654.50.87.56#1 9/32.2814.50.87.56#1...

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Cogsdill Tool Products, Inc. Type A Type B Type C > inch program 7 size="-1">

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( All dimensions below are in millimeters) HOLE SIZEDIM. ADIM. BDIM. C BLADE SIZE 2.084.611.46.42.0mm* 2.584.611.46.43/32* 3.084.611.46.43.0mm 3.584.611.46.41/8 4.084.611.46.45/32 4.5103.418.311.23/165.0103.418.311.23/16 > ( All dimensions below are in millimeters) *See ΓBurraway Blade Data, page 10, refer to note underԓBlade Replacement.Intermediate sizes are available; request quotation. HOLE SIZEDIM. ADIM. BDIM. C BLADE SIZE 5.511422.114.2#1 6.011422.114.2#1 6.511422.114.2#1 7.011422.114.2#1 7.511424.417.3#2 8.011424.417.3#2 8.511424.417.3#2 9.012725.417.3#3 9.512725.417.3#3 10.012725.417.3#3...

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Deburring-9

Cogsdill Tool Products, Inc. >

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recommend bladereplacement in these smallest tool sizes. We recommend that the entire arbor assembly be replaced. Note: BURRAWAY blades for nominal tool sizes of3/32 and 7/64 inch (.093 and .109) in our inch program, and blades for 2.0 and 2.5mm tools in our metric program, are designed with a pinhole instead of a slot. The open-ended slot is not feasible in this size range due to the small size of the blade. The blade can only be replaced by removing the pivot pin from the arbor, which may cause breakage. We do Double-Acting (DA )For deburring Blade replacement is easy fortools in nominal sizes...

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RAKE ANGLECROWN RAKE ANGLECROWN Figure 1 CROSS HOLE DIA MAIN BORE DIA Our BURRAWAY > ή Kit contains fivedeburring tools in popular hole sizes: > 5/32 in. 1/4 in. Areplacement blade for each tool is included. The kit is packaged in a durable box. The BURRAWAYKit enables you to have on hand the solution to burr removal problems forhole sizes most frequently encountered. >

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Cogsdill Tool Products, Inc. > .The back ofthe hole is deburred on the return stroke. not mar the inside surface of the hole. > .The slotteddesign allows the tool to Γcollapse under load as the tool feeds through the workpiece. The crowned and polished top surface of the cutting edges will > .Integralcutting edges remove the burr from the front of the hole as the tool enters the hole. 12 > Burr-Off The BURR-OFF Ԯ operates on the same basic principle as the BURRAWAY ,but is designed for high-production, automated deburring operations. The open-slot design of the Γclothespin tool allows chips to...

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The BURR-OFF > ή is a simpleone-piece construction. The integral cutting edges can be altered upon request for front or back-cutting only.All BURR-OFFS except CP-6through CP-9 come equipped with a sliding tension-adjustment feature to control the amount of edge break. > In addition to our standardBURR-OFF tools, custom tools are available upon request. Larger sizes, altered standards, and special designs can be supplied to suit your requirements. Furnish a part print for aquotation, or inquire about our free trial and evaluation service. > CP-6 through -13, for holesizes from .093 inch(.236mm)...

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TOOLSIZEGRINDING WHEELDIA. A IN.MM CP-8 thru CP-110.6215.7 CP-12 thru CP-270.7519.1 CP-28 thru CP-350.8722.1CP-36 thru CP-401.2531.7 Hand grind face .010Ζ.015 in.(0.25mm0.38mm), preferably with an abrasive wheel with the diameter shown in the chart (֔A diameter). Flat face grind is optional. Figure 2 >

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The Micro-Limit drive isdesigned and built for rugged production work. The thrust load is taken up on ball bearings through a hardened steel stop collar. The drive shaft rides on needle bearings. This design makes our drive the longest lasting in the industry. Adjustment is in increments of.001 inch (.025mm).Three drive models cover awide range of hole sizes. > Altered standards and specialdesigns are available upon request. Furnish a part print for a quotation. An array of interchangeablecountersinks and pilots areavailable as standard (refer to tool specifications on page 18 ).Countersinks...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.