The application of technology of clamp of cutting tool of stress locking type

Technology of clamp of cutting tool of type of foreword stress locking is German hero the advanced technique that the clip of precision of a kind of freeboard that gram company studies to develop opposes cutting tool, this technology applies to the metallic cutting such as milling machine of machining center, high accuracy boring and flexible and automatic product line to machine equipment, use clip to hold broach, reamer, milling cutter to wait, can apply extensively at the car to make, machinery is made, the industry such as mould treatment. According to cutting tool of stress locking type clip holds what the principle makes to exceed fine model TRIBOS - lever of lengthen of SVL cutting tool and TRIBOS - collet of S cutting tool, can use in treatment space special the circumstance that accepts restriction; The TRIBOS that holds a principle to make according to this kind of clip - collet of R cutting tool, the appearance is brawny, tigidity is good, have tall damp property, decrease brace up performance is good, apply to finish machining not only, and the treatment that also applies to big cutting quantity. 2.

Collet of cutting tool of stress locking type 2.

1TRIBOS - collet of cutting tool of type of S stress locking (1) working principle TRIBOS - the working principle of collet of cutting tool of type of S stress locking is as follows: The axial symmetry that the clip of this collet holds aperture to have accurate design is special geometrical appearance, below savagery, cutting tool cannot insert clip to oppose opening inside; When installing cutting tool, use special to load implement from exterior to collet clip holds paragraph of pressurization, the appearance that forces clip to oppose opening becomes round hole inside stretch metabolic limits, can insert cutting tool smoothly clip to oppose opening right now inside; Loosen next to load implement (remove exterior load namely) , cutting tool is out of shape tremendously regain power by collet firm clamp. Same, use to load implement OK also conveniently from inside collet debus cutting tool or change cutting tool. (2) function characteristic TRIBOS - collet of cutting tool of type of S stress locking has the following and admirable specifications: Extremely tall clip holds circumgyrate precision and repeat clamp precision (3 μ of ≤ M) ; Extremely fine external diameter dimension; Stabilize reliable clamping force; Have whole sealing structure, inanimation component, without wear away, maintenance-free; Flexibility is in to be out of shape from beginning to end after collet clip holds cutting tool condition, service life is long; Use to load implement change cutting tool is rapid, convenient; Collet does not have limitation to be being placed to manage the material of cutting tool; Use completely symmetrical structure, apply to high speed cutting; Can improve cutting tool to machine medium condition getting power in cutting significantly, improve the precision that cutting machines and workpiece surface quality effectively. (3) the torque TRIBOS that the cutting tool that be held by clip can deliver - the torque that direct clamp cutting tool can deliver collet of cutting tool of type of S stress locking sees a table 1 (after certain safety factor considering on the foundation in data of many actual measurement, expressing 1 medium data give out, the arbor accuracy class of the cutting tool that be measured is H6) . Express 1 TRIBOS - collet of cutting tool of type of S stress locking is placed the torque cutting tool that holds cutting tool to be able to deliver directly ministry diameter (Mm) : 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 25 delivered torque (Nm) : 1.

5, 2.

0, 2.

5, 4.

5, 12, 20, 30, 50, 70, 100, 150, 2002. 2 TRIBOS - TRIBOS of lever of lengthen of SVL cutting tool - the working principle of lever of lengthen of SVL cutting tool and function characteristic and TRIBOS - collet of S cutting tool is identical, its clip holds circumgyrate precision and repeat clamp precision ≤ 3 μ M. The TRIBOS of series of standard - lever of lengthen of SVL cutting tool has 100mm and 150mm two kinds of length, columnar handle has 12mm, 20mm and 32mm dimension of 3 kinds of diameters. The clip that with 12mm cylinder the handle cooperates holds bore diameter to have 3, 4, 5mm; The clip that with 20mm cylinder the handle cooperates holds bore diameter to have 6, 8, 10, 12mm; The clip that with 32mm cylinder the handle cooperates holds bore diameter to have 14, 16, 18, 20mm. The lever of cutting tool lengthen of the series that be not mark is OK decide to make length according to specific requirement. TRIBOS - the torque that after clip of lever of lengthen of SVL cutting tool holds cutting tool, can deliver and TRIBOS - collet of S cutting tool is identical (see a table 1) . It can be used jointly with all sorts of cutting tool collet, solve interference problem, replace costly the cutting tool is not mark of easy bad news. 2. 3 TRIBOS - TRIBOS of collet of cutting tool of type of R stress locking - the structure of collet of cutting tool of type of R stress locking and TRIBOS - S photograph is compared, TRIBOS - R increased clip to hold paragraph external diameter, designed decrease specially brace up cavity structure, the flood in cavity damp is decreased brace up hot solid sex is plastic, make of cutting tool collet decrease brace up function, tigidity and clip hold force to get very big rise, can use at finish machining not only, also can use at heavy cut treatment. With TRIBOS - S is same, collet of TRIBOS-R cutting tool has admirable specifications likewise: Clip holds circumgyrate precision and repeat clamp precision ≤ 3 μ M; Stabilize reliable clamping force; Can deliver very tall torque; Use completely symmetrical structure, clamp does not have mobile component, without wear away, maintenance-free, wear well, apply to high speed cutting; With to load implement convenient outfit is placed and change quickly cutting tool; Have very good tigidity, admirable damp to decrease brace up function, can raise cutting to machine precision, improve workpiece surface quality. The working principle of collet of TRIBOS-R cutting tool and TRIBOS - S is similar. The torque that after clip holds cutting tool, collet of TRIBOS-R cutting tool can deliver directly sees a table 2. (after certain safety factor considering on the foundation in data of many actual measurement, expressing 2 medium data give out; The arbor accuracy class of the cutting tool that be measured is H6) . Express 2 TRIBOS - collet of cutting tool of type of R stress locking is placed the torque cutting tool that holds cutting tool to be able to deliver directly ministry diameter (Mm) : 6, 8, 10, 12, 14, 16, 18, 20 delivered torque (Nm) : 8, 12, 20, 40, 80, 120, 180, 2403. The dynamic balancing of the collet of cutting tool of type of locking of stress of dynamic balancing character of collet of cutting tool of stress locking type is the dynamic balancing target that according to Germany industrial application studies to organize AIF to recommend: SK40, SK50 ― G6.

3/15000r/min; BT40, BT50 ― G6.

3/15000r/min; G6 of HSK-A 32-63 ―.

3/15000r/min; HSK-A 80-100 - G6.

3/ 12000r/min; HSK-C 32-63 - G6.

3/15000r/min; HSK-C 80-100 - G6.

3/12000r/min; HSK-E 32-63 - G6.

3/30000r/min. If have higher rotate speed demand, through more meticulous dynamic balancing, can make TRIBOS - collet of S cutting tool and TRIBOS - the working rotate speed that lever of lengthen of SVL cutting tool applies to 85000r/min, TRIBOS - the working rotate speed that collet of R cutting tool applies to 55000r/min. In the test that amounts to Mushidate to produce technology and institute of cutting machine tool to undertake in Germany, the collet of cutting tool of stress locking type of male gram company still can maintain good mechanical performance below the rotate speed of 200000r/min. 4.

The port that the interface type of collet of cutting tool of stress locking type and clip hold collet of cutting tool of type of diametical stress locking is to point to cutting tool collet to go up with place of connective of machine tool main shaft, to can be used on a variety of machine tools, the interface of cutting tool collet has a variety of type, have commonly usedly: The SK that accords with DIN 69871 of German industry standard, the BT that accords with JIS B 6339 of Japanese industry standard, the HSK that accords with DIN 69893 of German industry standard. TRIBOS - collet of S cutting tool places those who hold cutting tool directly the smallest diameter is 3mm, the biggest diameter is 25mm; TRIBOS - collet of R cutting tool places those who hold cutting tool directly the smallest diameter is 6mm, the biggest diameter is 20mm. Collet of cutting tool of stress locking type also but with decrease diameter to cover cooperate to use, realize collet of a cutting tool to place the cutting tool that holds a variety of diameters. The external diameter that decreases diameter to cover has 12mm and 20mm two kinds of dimension. Of 12mm of use external diameter decrease diameter to cover, can place hold a diameter to be 3, 4, 5, 6, the cutting tool of 8mm; Use external diameter is 20mm decrease diameter to cover, can place hold a diameter to be 6, 8, 10, 12, 14, the cutting tool of 16mm. 5.

To load of TRIBOS outfit knife implement with TRIBOS SVP - 2 model the to load that hold a knife implement assemble and unassemble when cutting tool, press collet or one aspect of the matter of knife of lengthen lever clip formulary way to insert thrust augmentation to cover, next along with transfers set load to load together implement pressurization Kong Zhong, close relief valve, the hand presses pressurization handle, the reading that makes pressure is expressed rises to formulary value, can insert cutting tool easily clip to oppose opening at this moment inside. Loose relief valve, cutting tool namely by clamp. Discharge knife also undertakes by similar move. Hold a knife or change knife process to be able to be finished inside 30 seconds. This to load that hold a knife implement all can install to hard alloy cutting tool, high-speed steel cutting tool but discharge. 6.

The use requirement of the collet of cutting tool of type of locking of use requirement stress of collet of cutting tool of stress locking type is: Should be placed when the 8mm of external diameter ≤ of cutting tool, the accuracy class of requirement arbor is H6; When 8mm of ＞ of cutting tool external diameter, the accuracy class of arbor can relax H7. Cutting tool adjusts a quantity to be 10mm in the axial of the Kong Zhong that hold clip. Use TRIBOS installs knife to load implement when cutting tool of outfit, discharge, to load implement the oil pressure inside is numerated by pressure watch, the greatest concessional pressure that the numerical value of oil pressure must be less than the place on collet of every cutting tool to tag is worth, can make cutting tool collet arises to plasticity is out of shape and damage otherwise. CNC Milling