摘要:
Cutting tool (20) comprises a tool holder (22) having a main body (24) with an insert receiving pocket (26) formed in a front end (28) thereof, and a single-sided square-shaped indexable cutting insert (30) removably secured in the insert receiving pocket (26);the insert receiving pocket (26) comprising: a seating surface (60) having a floor surface (62) with a single engagement groove (64) recessed therein and two separate support pads (66) protruding therefrom; the engagement groove (64) including a pair of parallely extending groove flank surfaces (68) forming a V-shaped cross-section, and each of the two support pads (66) having a raised support surface (70), wherein the two support surfaces (70) are coplanar, and the cutting insert (30) comprising: opposing square-shaped upper and lower surfaces (32, 34) and a peripheral side surface (36). extending therebetween, the peripheral side surface (36) having four corner surfaces (40) alternating with four relief surfaces (42); a central axis (Al) passing through the upper and lower surfaces (32, 34), about which central axis the cutting insert (30) is indexable; and a corner cutting edge (44) formed at the intersection of the upper surface (32) with each of the four corner surfaces (40), the lower surface (34) including a base surface (46) and having exactly four engagement ridges (50) protruding from the base surface (46), wherein each engagement ridge (50) includes a pair of parallely extending ridge flank surfaces (54) forming a V-shaped cross-section, and each engagement ridge (50) intersects one of the four comer surfaces (40) and extends therefrom towards the central axis (Al), wherein the lower surface (34) of the cutting insert (30) is clamped against the seating surface (60) of the insert receiving pocket (26) solely by: the pair of ridge flank surfaces (54) of the engagement ridge (50) located closest to the operative corner cutting edge (44) making contact with the corresponding pair of groove flank surfaces (68) in the single engagement groove (64); and the base surface (46) making contact with the two raised support surfaces (70) at two bearing zones (72) entirely located further from the operative corner cutting edge (44) than the central axis (Al).
摘要:
Disclosed is a tool support comprising a basic support (8) on which a carriage (5) can be displaced in a controlled manner perpendicular to the spindle shaft (7) while two tool holders (6, 6') that can be displaced parallel to each other and are used for fixing different tools (9, 9') are disposed on said carriage (5). Said holders (6, 6') can be selectively moved towards and away from the spindle shaft (7) at an angle of 90 DEG relative to the direction in which the carriage (5) is moved. The inventive tool support further comprises driving means (1,2,3,3') for moving the carriage (5) and the tool holders (6, 6') into a predetermined operating position along the axes of movement (Y, Z) thereof.
摘要:
A cutting tool system comprising a cutting tool (1) and a tool clamping device (15) where the cutting tool (1) includes at the front end (9) at least one cutting edge (7) and to the rear of said front end a shaft portion (3) and where the tool clamping device comprises a block with an aperture (23), and where the shaft portion (3) is to be clamped in position in the aperture (23) in the tool clamping device (15). The system featuring at least one spring loaded device (30) mounted in one of the tool clamping device (15) or the envelope surface of the shaft portion (3) of the cutting tool in such a way that it can interact with a recess or recesses (29) in the other in order to provide an indication of a desired position prior to clamping by providing a sudden increase in the force necessary to displace the cutting tool from said desired position.
摘要:
Eine Schneidplatte (5) zum Ein- oder Abstechen von Werkstücken (2), welche zur Unterbringung in einem Schneidplattenhalter (1) vorgesehen ist, weist wenigstens eine Schneide (6) und einen von der Schneide (6) abgewandten Abschnitt (7) auf, dessen Rand (8) bei der Unterbringung der Schneidplatte (5) in dem Schneidplattenhalter (1) mit dem Rand (9) einer Ausnehmung (4) des Schneidplattenhalters (1) in Kontakt steht. Der mit dem Rand (9) der Ausnehmung (4) des Schneidplattenhalters (1) in Kontakt stehende Abschnitt (7) der Schneidplatte (5) weist wenigstens eine, zumindest über einen Teil seines Randes (8) verlaufende, sich abwechselnde Erhebungen (11) und Vertiefungen (12) aufweisende Verzahnung (10) auf.
摘要:
This invention relates to a tool intended for chip removing machining together with a cutting insert therefor. The cutting insert is formed having a connecting surface or serrations that comrises ridges (11) and intermediate grooves. The flanks (18) which delimit the ridge (11) have a convexly curved surface (28), the contact point of which to a co-operating flank (25) of a co-operating ridge consists of a line (G), which extends axially along the length extension of the flank and is situated in an area approximately halfway between on teh one hand an outer transition (19) between the flank (18) and an apex (17) and on the other hand an inner transition (23) between the flank and a groove bottom. The convexley curved surface extends inwards as well as outwards from said contact line (G), in order to guarantee that practical contact between the flanks of the co-operating ridges is attained via surface contact at an indifferent place between the outer and inner limiting edges (29, 30) of the curved surface.
摘要:
A milling tool comprises a rotatable supporting body (1) having detachable cassettes (5) upon which cutting inserts (6) are mounted, said cutting inserts (6) being provided with cutting edges. Two serrated surfaces (9, 10) are provided in order to connect the individual cassette (5) with the supporting body (1), a first one (9) of said serrated surfaces being located upon the periphery of the supporting body and facing outwards from the supporting body while the other serrated surface (10) is formed at an inner side of the cassette. By this location of the cassettes the supporting body may be equipped with an increased number of cassettes compared to what has been possible in connection with prior art.
摘要:
A device (1) for supporting micro-tools (2) having a front portion (3) with an end cutting edge (4), a rear portion (5) with a substantially cylindrical outer surface (6) and a flattening section (8) formed at the rear portion (5), such device (1) comprises an elongate body (9) having a housing hole (10) that is adapted to allow the rear portion (5) of the tool (2) to be at least partially received therein; constraint means (15) associated with the elongate body (9) and designed to interact with the outer surface (6) of the rear portion (5) to define a reference position of the tool (2), locking means (40) associated with the elongate body (9) and designed to interact with the flattened section (8) formed on the rear portion (6) of the tool (2) to cause the latter to be selectively locked in the reference position. The constraint means (15) have at least one passage (16 ) which intersects the housing hole (10) and is substantially parallel thereto, and a corresponding pin (17) that can be introduced into the passage (16) and has a peripheral surface (18) adapted to selectively interact with the outer surface (6) of the rear portion (5) of the tool (2) to create a substantially continuous contact area (19) therewith along the direction of extension of the pin (17).