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Bahco Saw manual

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Table of contents for the manual

  • Page 1

    Industrial Metalsawing Bandsaw Blades Global Pr ecision[...]

  • Page 2

    ii Intr oduction consistency . T o achieve this, we operate within the Snap On QFS quality system or Quality Forward System, which uses the ISO 9001:2000 framework. It includes a continually improving quality management system, which includes a focus on customer requir ements and satisfaction. All stages of production fr om raw material sourcing to[...]

  • Page 3

    Key Pr oduction Pr ocesses T ooth forming High technology milling and grinding processes ar e used for precision tooth forming enabling sharper and stronger teeth to be produced. Setting Computer controlled measuring devices and camera monitoring systems check every tooth. This infor mation is collated and displayed on a visual monitor which, • M[...]

  • Page 4

    2 Ser vice Storage and Distribution NDC - New Distribution Concept - is one of our single largest investments in customer service. It comprises two distribution centres in Eur ope and two in North America. Moder n on-line computer processes ensur e prompt and reliable deliveries and minimise stock handling for our customers. The NDC system provides[...]

  • Page 5

    Resear ch and Development The Research and Development Centr e for Bandsaws is a state-of-the art laborator y located in Lidkoping, Sweden. The Centre, which develops and tests metal cutting saws, is staffed by qualified engineers and metallurgists and is equipped with machines and instruments for measuring all parameters that can influence the cut[...]

  • Page 6

    4 Bandsaw Selection Guide Page Metal Cutting Maximum perfor mance bandsaws specially designed for the greatest variety of metal cutting applications. Non-Ferrous Cutting Maximum perfor mance bandsaws specially designed for non-ferrous cutting applications such as brass, bronze and aluminium. Also an excellent choice for cutting plastics, composites[...]

  • Page 7

    LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS MANDA TOR Y PROTECTIVE GLOVES MANDA TOR Y EYE PROTECTION 5 Bandsaw Selection Guide[...]

  • Page 8

    6 General Infor mation Band Length The length of a bandsaw blade depends upon the sawing machine being used. Information for specific machines can be found in our software program, BandCalc TM , see page 28, or from your sawing machine manufacturer . Band Width The band width is measured fr om the tip of the teeth to the back edge of the blade. On [...]

  • Page 9

    T eeth Per Inch (TPI) The number of teeth per inch (TPI) defines the pitch of the blade and can vary from less than 1 to 24. Thin-walled workpieces like tubes, pipes, sheet etc., requir e fine teeth, otherwise there is a risk of tooth damage or breakage. Large cross sections should be cut with a coarse-pitched saw , i.e. fewer teeth per inch. The f[...]

  • Page 10

    General Infor mation 8 Feed Rate/Chips It is important that each tooth of the bandsaw blade cuts a chip with the right thickness. This is determined by the selection of tooth pitch, band speed and feed rate. Start by selecting the right tooth pitch from the diagrams on page 9 and 10 then set your band speed according to the diagram below . Y ou can[...]

  • Page 11

    General Information 9 T ooth pitch for solid workpieces The diagram below will help you select the right pitch for cutting solids. The ideal choice is at the widest point of each field. Example 1: When cutting a Ø 6 inch (150 mm) bar , use 2 TPI, if an evenly pitched blade is your choice. Use a 2/3 TPI or a 1/2 TPI if you choose a variably pitched[...]

  • Page 12

    10 General Infor mation Cutting pipes and profiles The diagram below will help you find the right tooth pitch for cutting pipes and profiles. The recommended tooth pitch for cutting pr ofiles is found in the field where the width meets the wall thickness of the pr ofile. Example 3: When cutting a 4" x .4" (100 x 10 mm) U-beam, select a 5/[...]

  • Page 13

    T ooth Shape guide Regular is a standard tooth shape with 0 ˚ rake angle. Regular is the traditional tooth shape for general cutting of small, solid workpieces. Positive PS has a 10 ˚ -15 ˚ rake angle, a curved back and a gullet with large chip capacity . It is excellent for cutting large workpieces of all types of steel. T riple Set Xtra , with[...]

  • Page 14

    Pr oduction Cutting ▼▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 12 DIMENSIONS TEETH TOOTH PRODUCT MM INCHES PER INCH TYPE CODE ▼ 27 x 0.9 1 x .035 3 Positive PS 3851-27-0.9-P-3 4 Positive PS 3851-27-0.9-P-4 4 Regular 3851-27-0.9-R-4 6 Regular 3851-27-0.9-R-6 8 Regular 3851-27-0.9-R-8 10 Re[...]

  • Page 15

    Production Cutting ▼▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 13 3851 — SANDFLEX ® Cobra ™ PSG ™ For production cutting of medium to large sections on various materials, especially alloyed and stainless steels • Specially designed in combination with sharp cutting edges for easy pe[...]

  • Page 16

    Pr oduction Cutting ▼▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 14 3854 – SANDFLEX ® King Cobra ® PHG ™ For high productivity cutting of difficult-to-cut materials • Special design in combination with sharp cutting edges for easy penetration in difficult to cut materials. • Harder [...]

  • Page 17

    ▼▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ DIMENSIONS TEETH TOOTH PRODUCT MM INCHES PER INCH TYPE CODE ▼ 34 x 1.1 1-1/4 x .042 2 TSX 3868-34-1.1-TSX-2 2/3 TSX 3868-34-1.1-TSX-2/3 3/4 TSX 3868-34-1.1-TSX-3/4 41 x 1.3 1-1/2 x .050 1.4/2 TSX 3868-41-1.3-TSX-1.4/2 1.6 TSX 3868-41-1.3-TSX-1.6 [...]

  • Page 18

    Other Pr oduction/Special Purpose Cutting ▼ ▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 16 3851 — SANDFLEX ® Cobra ™ For contour and high productivity cutting of small workpieces • Specially designed tooth shapes for maximum cutting perfor mance. • M42 tooth tips provide heat and wea[...]

  • Page 19

    Other Production/Special Purpose Cutting ▼▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 17 3852 — SANDFLEX ® Die-Band ™ For contour sawing of tool and mould steels • Precisely set for accurate cutting. • Positive rake teeth for easy feed. • M42 tooth tips provide exceptional heat res[...]

  • Page 20

    Other Pr oduction/Special Purpose Cutting ▼▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼ ▼ 18 3853 — SANDFLEX ® Fabricator ™ For bundle cutting of tubes and structural steel • Special set prevents blade from binding in the cut. • Special tooth shape for extra toughness. • T ough Matri[...]

  • Page 21

    Multi-purpose Cutting ▼ ▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼ ▼ 19 Multi-purpose 3850 — SANDFLEX ® Dragon ™ For easy-to-cut steels • Multi-purpose tooth shapes for a variety of applications. • Matrix HSS edge provides tough, impact-resistant teeth which are well suited for cutti[...]

  • Page 22

    Multi-purpose ▼ ▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼ ▼ 20 3850 — SANDFLEX ® Portable Bandsaw Blades For portable hand held machines • Multi-purpose tooth shapes for a variety of applications. • T ough impact - resistant teeth offer long life and good surface finish in a wide rang[...]

  • Page 23

    3862 — SANDFLEX ® Compensator ™ For light machines with limited feed force • Positive rake Combo PR teeth give excellent surface finish and long blade life. • M42 edge provides hard teeth for dif ficult-to-cut steels. DIMENSIONS TEETH TOOTH PRODUCT MM INCHES PER INCH TYPE CODE 27 x 0.9 1 x .035 3/4 Combo PR 3862-27-0.9-3/4 4/6 Combo PR 386[...]

  • Page 24

    22 Multi-purpose ▼ 3856 — SANDFLEX ® Multi-cut ™ For multi-purpose applications on lighter machine types of manual or semi-automatic design • Large range of tooth pitches and standard loop lengths to meet the needs of most multi-purpose applications. • M42 tooth tips offer good heat and wear resistance for long blade life. • V ariable [...]

  • Page 25

    Non-ferr ous Cutting ▼ ▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼ ▼ 3850 — SANDFLEX ® Dragon ™ For horizontal machines • Positive hook toothing for good penetration and chip formation. • T ough Matrix HSS tooth tips. • Large gullets for good chip carrying capacity . DIMENSIONS TEET[...]

  • Page 26

    24 Non-ferr ous Cutting ▼ 3852 — SANDFLEX ® Die-Band ™ For vertical machines and contour cutting • Positive rake teeth make hand-fed cutting easy . • M42 tooth tips provide wear resistance for long life. DIMENSIONS TEETH TOOTH PRODUCT MM INCHES PER INCH TYPE CODE 6 x 0.6 1/4 x .025 6 Hook 3852-6-0.6-H-6 6 x 0.9 1/4 x .035 6 Hook 3852-6-0[...]

  • Page 27

    ▼ ▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 3861 — SANDFLEX ® NF ™ Economical Bi-Metal blade for non-ferrous cutting • Hook toothing for easy feeding. • New regular pitches. • Durable spring steel backing. • Extended tool life DIMENSIONS TEETH TOOTH PRODUCT MM INCHES PER INCH T[...]

  • Page 28

    26 Non-ferr ous Cutting 3869 — Carbide T riple Set ® Foundry bandsaw blade for non-ferrous and abrasive materials • Carbide tipped teeth with triple set configuration. • Fast cutting. • Easy feeding. • Straight and radius cutting. • Special design for foundry use. • For use on smaller machines for difficult to cut materials. DIMENSIO[...]

  • Page 29

    Carbide Grit ▼ ▼ LARGE & MEDIUM SOLIDS SMALL SOLIDS & BUNDLES PIPES, PROFILES, CASTINGS CONTOURS ▼▼ 27 Carbide Grit DIMENSIONS TEETH TOOTH PRODUCT MM INCHES PER INCH TYPE CODE ▼ 3866 — Multi-Grit Carbide grit-edge blade for cutting ceramics, tyres, graphite, fibreglass, cables, composite materials, glass, hardened steel, super a[...]

  • Page 30

    28 Sawing Aids 3870 — BandCalc ™ A Software program, based upon input fr om users with regards to material, machine, workpiece, economy and customer preferences, will recommend the best bandsaw blade for the application. It will also give necessary infor mation on blade speed, feed rate and will calculate a cutting time and cost per cut for the[...]

  • Page 31

    3870 T ensionmeter Proper tension is necessary to provide straight cuts and long blade life, thereby reducing the cost per cut. Bahco ’ s tensionmeter is designed for easy , accurate measurement of the correct blade tension of all bandsaws. PRODUCT EAN CODE CODE 731151+ 3870-TENSION METER 8145637 1 678 3870 Refractometer Proper coolant concentrat[...]

  • Page 32

    30 T r oubleshooting Guide Important Facts Band Breakage Crooked Sawing Guides and guide arms Guides too far apart Check and adjust the guides regularly . Guides worn out Guides worn out Check if worn out and replace if necessary . Guide setting too wide Guide arm loose Position guide arms as close to the workpiece as possible. Guides poorly adjust[...]

  • Page 33

    T ooth Breakage Rough Sur face Rapid T ooth W ear Vibration Band Slips on Wheel Guides too far apart Guides poorly adjusted Driving wheel worn out Chip brush Chip brush not working not working – gullets filled Band tension too low Band tension too low T oo little coolant Incorrect coolant concentration Band speed too low Band speed too high Natur[...]

  • Page 34

    32 Packaging Infor mation Loop packaging/Bimetal and Carbide 3866, 3868, 3869 WIDTH LENGTH, MM/FT MM INCHES <3000 3001 – 3660 3661 – 4120 4121 – 5334 >5335 <9' – 10" 9'10" – 12'0" 12'1" – 13'6" 13'7" – 17'5" >17'5" <13 <1/2 5 5 5 5 5 16-2[...]

  • Page 35

    Or der For m/Enquir y For m ▼ Now contact us … Company Name: Contact Name: Street: City: Region: Postcode: Country: T elephone: T echnical Suppor t Material: Size (mm): Surface Condition: Clamping: Single Bundle (how many pieces) Bandsaw Blade Size: mm l ength mm width mm thickness T ype of Machine: Inquir y Or der 33 Order Form/Enquiry For m D[...]

  • Page 36

    www .bahco.com Bahco copyright 2003 Argentina BAHCO ARGENTINA S.A. Buenos Aires Phone: 11 44 84 05 57 Fax: 11 44 84 44 63 Australia BAHCO TOOLS PTY . L TD. Wetherill Park, N.S.W . 2164 Phone: 02-98 28 06 60 Fax: 02-98 28 06 65 Austria BAHCO BELZER GmbH Wien Phone: (0)1 272 45 77 Fax: (0)1 272 45 77-29 Belgium/Luxemburg BAHCO TOOLS BV Brussels Phone[...]