DURMA BANDSAWS HB & DCB SERIES BETTER PARTS BETTER PROFITS
The Company As a total supplier for sheet metal manufacturing with almost 60 years of experience, Durma understands and recognizes the challenges, requirements and expectations of the industry. headquarters i Bursa Turkey We strive to satisfy the ever higher demands of our customers by continuously improving our products and processes while researching and implementing the latest of technologies. In our three production plants with a total of 1.5 million square feet, we dedicate 1,000 employees to delivering high quality manufacturing solutions at the best performance-to-price ratio in the market. From the innovations developed at the Research & Development Center to the technical support given by our worldwide distributors, we all have one common mission: to be your preferred partner. R&D Center Baskoy factory DURMA charlotte NC
HB + DCB Series bandsaws HB Capacity 11 & 13 (max round/inch) DCB capacity DCB-S 14-18-22-31-43 DCB-M 14-18-31 DCB-DM 22 DCB-A 14-18-22-31-43 DCB-FA 13 HB-S HB-A DCB-S DCB-M DCB-DM DCB-A DCB-FA Miter Cutting (Vice) LR45 0 s R60 LR60 - L60 Miter Cutting (Turn Table) o - o - - - - NC Control (Programmable Feed Length) - o - - - o s Hydraulic Vice s s s s s s s Variable Speed Cutting s s s s s s s Motorized Conveyor Feed - s - - - s - Motorized Programmable Ballscrew Feed - - - - - - s Top Clamp - Mechanic s s s - - s - Top Clamp - Hydraulic o o o o s o o Chip Conveyor o o o o o o o Automatic Cutting Pressure Control o o o o o o o Entry Side Roller Table s s s s s s s (S) STANDARD (O) OPTIONAL (-) NOT AVAILABLE
bandsaws features Metal Cutting With Bandsaws Band saws are a cost effective way of cutting a wide variety of materials in many different shapes. They are especially useful for exotic and hard alloys. Solids or profiles can be cut in bundles or singularly with either manual or automatic feeds. As band saws are fast and inexpensive, they are used commonly in steel plants, craft, aircraft, automotive industries, manufacturing, construction and aluminum sectors. Below are some samples of shapes that are commonly cut on band saws. Hydraulic & Electric Systems The desired precision in hydraulic movements and down speed is gained by world reknown Rexroth valves, which are able to respond quickly to the commands, as well as with its pressure compensation. Unwanted speed differences are eliminated during solid material cutting and no harm is done to the saw edges. All electrical control components are selected from Siemens and Schneider. Bimetal Bandsaw & Cooling System As a standard one general purpose bi-metal band saw for general is supplied with the machine. Different sizes and blade profiles can be supplied upon request. A water based boron oil is spread with desired flow to the tape bed and cutting area with a strong centrifugal pump. Machine is shipped without oil. Low Sound Levels Sounds in production process are caused by the mechanical parts. The sounds due to vibration are minimized when the pulleys and the bearings are in appropriate length and quality. In Durma series bandsaws, the pulleys and the direction arms are produced by vibration- and sound-absorbent casting. Bearings from worldwide best quality brands are used. Bearing & Carbide Type Blade Housing When the right saw tape is used, the steepness and tangential of the cutting is mostly depends to tape guiding. Ideal cutting is achieved by carbide metal guides for the tape side surface. Due to their vertically positioned bearings, proper gap and parallelism minimizing tape and material costs and finishing operations eliminated.
standard features Hydraulic Vice One of the most important factors for cutting quality is to securely clamp the material. Hydraulic vices are used to prevent any movement of the material during the cutting process. Cutting Speed Adjustment Proper cutting speeds are very important in achieving optimum cuts. Variations in the cutting speed can affect the cut quality as well as decrease blade life. The cutting speed is easily adjustable on the digital control panel. Top Clamping - Mechanical Mechanically adjusted top clamping secures bundled material during the cutting process. Blade Tensioning - Hydromechanic An easily accessible blade tensioning device with pressure gauge allows quick and easy setting of the blade tension. In the event of a blade rupture, the system stops.
standard features Part Counter With automatic models it is possible to enter the number of cuts to be achieved during serial cutting. In addition, the display also displays information about the machine, alarm and cutting. Cutting Height Adjustment Fast and easy cutting height adjustment saves setup time, especially during production or serial cutting. Roller Table At the front or back side of the machine the table provides easy material entrance by bear driven rolls. One table is standard with the related machine. Extra tables can be put together, this way longer materials are supported. Motorized Roller Feeding Chain driven rollers provide a simple and fast material feed system for general purpose cutting. A single roller feed is supplied with the machine. Length Adjustment - Electrical Cutting length adjustment of the material in automatic models are done by adjusting limit switch to the desired cut length. Maximum setting is 23.5. During serial cutting cuttings, a roll driven vise feeds the material to the preset length can the material is cut. After completion of the cut, the piece falls and the process is repeated. Manual Chip Brush Standard on DCB Series Optional on HB Series Removing the chips between the tapes is very important to increase blade life. A manual chip brush cleans most of the chips and prevents the dirt gathering on the body.
standard features Stress Relieved Frame Deflection and vibration during the cutting process are minimized by the reinforced frame. The rigid frame is connected to the strong chassis by chrome plated columns. Chassis, body and all other parts are stress relieved after casting and welding. All machining is performed with five axes. CNC working stations, with single pass. In this way, mounting surfaces for all axes are guaranteed to be parallel. The combination of these processes ensures precise and long lasting operation. Longer Blade Life While saw blade is tight between the pulleys it tends to twist between the guides vertical to the table. The level of twist increases when the tape is on its maximum angle and minimum distance to the work piece. This causes very thin fractures on the blade which can cause breakage to the blade. Laser Marking Standard on HB Series Optional on DCB Series Helps length adjustment of the work piece. The laser line reflecting on the front side of the tape allows easy viewing of the length and the cutting line. The blade is positioned higher than the material during feeding process, avoiding any blade damage. This system is a convenient feature in semi-automatic machines and special cutting applications. Efficient Power & Faster Cutting Ability The saw turns on pulley which is driven by high torque helix gear box and electrical motor. Even in continuous working conditions no heating or torque loss occurs. The torque is transmitted to the saws with any power loss by a drive system guided with strong conical bearings at the same axis as the pulley. Because of the high torque design the cutting speed is much higher than the other machines in the marketplace. The frequency inverter provides protection for the tape and other components against possible overloads at peak pressure. Digital Readout of Turntable A digital readout displays, in 0.1 degrees, the location of the turn table as it is positioned. Chip Conveyor Standard on HB Series Optional on DCB Series A large amount of chips can be produced, especially when cutting solids. The motorized chip conveyor automatically transfers these chips out of the machine.
optional features Motorized Chip Brush A motorized chip brush is available in lieu of the standard. Microspray Cooling A special mixture of micronized cutting oil and air is sprayed on the blade to prevent overheating and to increase blade life. In addition to the ecological advantage it also minimizes the boron oil costs. Automatic Cutting Pressure Control Automatic setting of the cutting presure assures optimum cutting. If the speed is too slow or too fast it affects the cut quality and shortens blade. Automatic cutting pressure control also prevents overload to the machine. Blade Tensioning - Hydraulic Standard on HB Series Optional on DCB Series Provides blade tensioning via the control panel without the need for operator to manually set. When ideal tension is automatically achieved. In the event of blade rupture, the system stops. NC Control System Programming of the cut length as well as the number of pieces to be cut. Certain machine parameters can also be set through the control. An encoder is integrated in to the clamp rollers to provide the precise positioning to the programmed length.
optional features Extra 47 Roller Tables At the front or back side of the machine the table provides easy material entrance by bear driven rolls. One table is standard with the related machine. Extra tables can be put together, this way longer materials are supported. Top Clamping - Hydraulic 39 back stop with electrical touch and cut feature that aligns to all shearing stations. Motorized 118 Roller Table Motor driven feed rollers help in the material feed or discharge process for heavier applications. Extra tables can connected together in order to support longer material.
hb series HB-A bandsaws HB-A 280 HB-A 330 Automatic Automatic in ø11 ø13 90 in 9.5 11.8 in 8.7x11 11.8x15.7 in - - 60 in - - Capacities in - - in - - 45 in - - in - - in - - 30 in - - in - - Main Motor hp 2 3 Motor Hydraulic Pump Motor hp 0.5 0.5 Material Feed Motor hp 0.3 0.3 Cooling Motor hp 0.125 0.125 Cutting Speed ipm 794-3,176 794-3,176
hb series HB-S bandsaws HB-S 280 HB-S 280 HB-S 330 HB-S 330 Semi-Automatic w/turning Table Semi-Automatic w/turning Table in ø11 ø11 ø13 ø13 90 in 10.2 10.2 9.4 0.4 in 7.9x 13.4 7.9x13.4 9.4x19.7 9.4x19.7 in ø8.7 R ø8.7 L ø9.4 ø11.8 ø13 L ø11.8 60 in 7.9 7.9 7.1 9.1 7.9 9.1 Capacities in 6.3x11 6.3x11 7.1x11.8 9.1x14.2 12.6x15 9.1x14.2 in ø5.7 ø5.1 ø6.7 ø10.2 ø11 ø10.2 45 in 4.7 4.7 6.3 7.9 10.2 7.9 in 3.9x8.3 3.9x8.3 6.3x9.4 7.9x11 9.1x13 7.9x11 in - - - - 30 in - - - - in - - - - Main Motor hp 2 2 3 3 Motor Hydraulic Pump Motor hp 0.5 0.5 0.5 0.5 Material Feed Motor hp - - - - Cooling Motor hp 0.125 0.125 0.125 0.125 Cutting Speed ipm 794-3,176 794-3,176 794-3,176 794-3,176 Bi-Directional 45 Adjustable Angle Vise Standard on HB-S Series The work piece clamp can be manually adjustable 45 either right or left. It allows quick and easy miter cuts. Turning Table Optional on HB-S Series The machine body can be mounted on a manually adjustable turnstile type base. This saves space and setup time.
DCB series DCB-S bandsaws DCB-S 360 DCB-S 360 DCB-S 800 DCB-S 1100 Semi-Automatic w/turning Table Semi-Automatic Semi-Automatic in ø14 ø14 ø31 ø43 90 in 14 14 31 43 in 20x14 20x14 31x36 43x51 in ø11 R ø14 L ø11 ø27 ø33 60 in 11 14 11 27 33 Capacities in 11x14 14x14 11x14 31x27 43x33 in ø6 ø8 ø6 ø16 ø25 45 in 6 8 6 16 25 in 6x14 8x14 6x14 16x31 43x25 in - - - - 30 in - - - - in - - - - Main Motor hp 3 3 10 15 Motor Hydraulic Pump Motor hp 0.55 0.55 1.5 2.2 Material Feed Motor hp - - - - Cooling Motor hp 0.125 0.125 0.5 0.5 Cutting Speed ipm 794-3,176 794-3,176 794-3,573 794-3,573 Two-Way 45 Adjustable Clamp Standard on DCB-S Series In semi-automatic models the work piece clamp can be manually adjusted 45 o to the right or left to create miter cuts. Turning Table Optional on DCB-S Series The machine body can be mounted on a manually adjustable turnstile type base. This saves space and setup time.
DCB series DCB-M bandsaws DCB-M 460 DCB-M 560 DCB-M 800 DCB-M 1100 in ø18 ø22 ø31 ø43 90 in 18 22 31 43 in 18x24 22x30 31x36 43x51 in ø18 ø22 ø22 ø33 60 in 18 22 22 33 Capacities in 17x18 22x22 31x22 43x33 in ø11 ø15 ø15 ø25 45 in 11 15 15 25 in 11x18 15x22 15x31 43x25 in ø4.7 ø6 ø8 ø14 30 in 4.7 6 8 14 in 4.7x18 6x22 8x31 43x14 Main Motor hp 4 5 10 15 Motor Hydraulic Pump Motor hp 1.5 1.5 1.5 3 Material Feed Motor hp - - - - Cooling Motor hp 0.125 0.125 0.5 0.5 Cutting Speed ipm 794-3,573 794-3,573 794-3,573 794-3,573 One-Way 60 Adjustable Cutting Turn Table Base Standard on DCB-M Series The saw body is mounting on swivel base which is manually adjustable in one direction up to 60. The machine is turned on the turning table manually to adjust the angle. This saves time and space.
DCB series DCB-A bandsaws DCB-A 360 DCB-A 460 DCB-A 560 DCB-A 800 DCB-A 1100 in 14 18 22 31 43 90 in 14 18 22 31 43 in 14x15 18x19 22x24 31x36 43x51 in - - - - - 60 in - - - - - Capacities in - - - - - in - - - - - 45 in - - - - - in - - - - - in - - - - - 30 in - - - - - in - - - - - Main Motor hp 3 4 5 10 15 Motor Hydraulic Pump Motor hp 0.75 1.5 1.5 2 4 Material Feed Motor hp 0.3 1 1.5 Hyd Hyd Cooling Motor hp 0.125 0.125 0.125 0.5 0.5 Cutting Speed ipm 794-3,176 794-3,573 794-3,573 794-3,573 794-3,573
DCB series DCB-FA bandsaws DCB-FA 330 in ø13 90 in 13 in 13x14.5 in 12 60 in 12 Capacities in 13x12 in 8.6 45 in 8.6 in 13x8.6 in 4.7 30 in 4.7 in 13x4.7 Main Motor hp 2 Motor Hydraulic Pump Motor hp 0.75 Material Feed Motor hp 1.5 Cooling Motor hp 0.125 Cutting Speed ipm 794-3,970 Motorized Vice Feeding The motorized vice and hydraulic clamping system have a programmable forward or backward feed length of up 23.5. The positioning accuracy is +-.008. More cuts can be made in less. Material deformation is also minimized. One-Way 60 Adjustable Cutting Angle One-way manual 60 turning of the saw body allow angled cuts to be made in manual and automatic mode.