Abstract:
A bevel gear manufacturing face cutter head (2) for face hobbing and face milling wherein the face cutter head includes a positive blade seating and stick-type rectangular or square cross-section cutting blades (6) are clamped tight to the positive seating surfaces (14, 18). The cutting blades are adjustable radially by axial movement by a non-self-locking system.
Abstract:
A bevel gear manufacturing face cutter head (20) for face hobbing and face milling wherein the cutter head comprises blade positioning slots (20) having a four-sided shaped cross-section and positive blade seating surfaces (22, 24) and having the capability to clamp cutting blades (8) tight to the positive blade seating surfaces and to adjust the cutting blades radially after they are pre-clamped and axially located.
Abstract:
A method of machining a bevel gear (22) having teeth with a pitch angle greater than 90 degrees comprising providing at least one tool (42, 44) rotatable about a tool axis with the tool comprising a disc-shaped body (43) having a periphery (49) and at least one stock removing surface (45, 47) arranged about the periphery. The tool is rotated and fed relative to the gear to effect machining of at least one tooth surface wherein the machining is carried out in a non-generating manner.
Abstract:
A method of machining bevel gears whereby machining of both flanks of a tooth slot and crowning of the tooth surfaces in the lengthwise direction are realized without an active pivot axis and by a modification of the conventional relationship between the radial and swivel basic settings during gear generating.
Abstract:
A motion which creates an end relief and which is integrated into the plunging cycle of non-generated bevel gears. The tool, after feeding to the correct tooth forming position in case of non-generated gears, is swung sideways out of cutting or grinding contact with the slot instead of along a withdraw path which is identical to the plunge path but opposite in direction.
Abstract:
A skiving tool comprising a cutter head (2) having a plurality of cutter blade mounting and positioning slots (8) arranged spaced, preferably equidistant, about the periphery (7) of the cutter head with the blade slots, and hence the cutting blades (4), preferably oriented perpendicular to the axis of rotation (A) of the cutter head. Alternatively, the blade slots may be inclined from the perpendicular orientation by less than 50 degrees, preferably less than 20 degrees, thereby forming a conical shaped cutter. Additionally, the blade slots may be positioned to extend radially from the cutter head axis whereby the longitudinal axis of a cutter blade will intersect the cutter head axis, or the blade slots may be radially offset from the cutter head axis. The blade slots may have any cross-sectional shape such as square, rectangular or those types having generally V- shaped seating surfaces (10) comprising a pair of angled mounting surfaces (12, 14) each less than 90 degrees. In contrast to known cutting blade configurations, the cutting blade (4) of the present invention has its cutting face (16) formed in a surface of the cutting blade that is located opposite to the seating surface or V-shaped seating surfaces (13, 15) of the cutting blade.
Abstract:
Cutting blade and system that allows all the freedoms of the three-side-ground cutting blade while using a two-side-ground cutting blade. A new cutting edge can be defined on the two-side-ground cutting blade that will duplicate the tooth surface cut by the three-side-ground cutting blade with different hook and side rake angles. The new cutting edge of the two-side-ground cutting blade is determined by a plurality of points, each point corresponding to a point on the three-side-ground cutting blade, such that when cutting, each point along the cuttiing edge of a two-side-ground cutting blade will lie on the same epicycloid generated by the corresponding points on a three-side-ground cutting blade with different hook and side rake angles.
Abstract:
A cutter head (2) including a cutter body portion (6) having a first outer surface (13) and a second outer surface (14) located inward of the first outer surface. Both first and second outer surfaces are interrupted by a plurality of blade receiving slots (12) which extend inward into the cutter body portion (6). The first and second outer surfaces are arranged such that an annular projection (16) is formed protruding from the second outer surface (14) and extending to the first outer surface (13). The annular projection is also interrupted by the plurality of cutting blade slots (12) thus forming a plurality of individual projections. The cutter head (2) additionally includes a clamping ring (20) extending about the cutter body (6) and secured to the annular projection (16). The clamping ring comprises first and second ring portions (24, 26) which together define an inner receiving channel (32) having a form complementary with the form of the annular projection (16) whereby securing the first and second ring members (24, 26) together about the annular projection (16) positions the annular projection in the receiving channel and secures the clamping ring (20) to the cutter body (6). The cutter head (2) may include a generally concave shaped clamping block (34) which is attached to the receiving channel (32) in the clamping ring (20). The cutter head (2) may further comprise blade receiving slots (12) wherein the inner end portion (60) of the slots includes a pair of angled blade mounting surfaces (62, 64). Also included are cutting blades (87, 89) having side portions (82, 84) of a form which is complementary to the angled blade mounting surfaces (62, 64) of the cutter head (2).