Sandvik

There is provided a bidirectional support assembly (10) for bidirectional support of a vibratory device (20), the assembly (10) comprising a connector (45) for cooperating with the vibratory device (20); a primary support arrangement (4, 42, 42', 44) comprising one or more primary spring element(s) (42, 42) configured to be compressed in response to downward displacement of the connector (45) for supporting the connector (45) in an upwards directed first support direction (D1); a secondary support arrangement (6, 62, 62', 63, 63', 64, 64') comprising one or more secondary spring element(s) (61, 62) configured to be compressed in response to upward displacement of the connector (45) for supporting the connector (45) in a second support direction (D2) that is opposite the first support direction (D1).

The present invention relates to a turning method for machining a metal workpiece with a turning tool comprising a cutting edge, which cutting edge includes a cutting nose and a clearance corner, wherein the method comprises the steps of: - determining a final machined profile of the metal workpiece, wherein the final machined profile comprises a main surface and a shoulder surface; - determining a cutting depth; - rotating the metal workpiece around an axis of rotation; - cutting the metal workpiece with the cutting nose by, - a) moving, at the cutting depth, the cutting nose along the main surface, towards the shoulder surface, - b) moving the cutting nose further toward the shoulder surface until the clearance corner is positioned on the shoulder surface, - c) moving the cutting nose away from the shoulder surface, - d) moving the cutting nose toward the shoulder surface until the clearance corner is positioned on the shoulder surface, - e) moving the cutting nose away from the shoulder surface, wherein any of the steps b - e comprises moving the cutting nose towards the main surface, - f) moving, at the cutting depth, the cutting nose along the main surface, further away from the shoulder surface.

A method for detecting an event of a mining vehicle may comprise: receiving a configuration of an operating point, wherein the configuration of the operating point comprises a position of the operating point and a requested heading of the mining vehicle for the operating point; determining the mining vehicle to be in proximity of the operating point; determining a heading of the mining vehicle in the proximity of the operating point; detecting a change in weight data of the mining vehicle in the proximity of the operating point; and recording an event associated with the operating point, in response to detecting the change in the weight data of the mining vehicle in the proximity of the operating point and in response to determining that the heading of the mining vehicle in the proximity of the operating point corresponds to the requested heading of the mining vehicle for the operating point.

A drill tip screw (3) for fastening of a drill tip (2) to an exchangeable head drill support body (1) has a general extension in an axial direction (10). The drill tip screw comprises a screw head (12) at a first axial end (11) of the drill tip screw and an outer threading (18) at a second axial end (19) of the drill tip screw. The second axial end is opposite to the first axial end. The drill tip screw further comprises a center portion (15), wherein the center portion is rotationally symmetric. The drill tip screw further comprises a first tapered portion (14) having its widest end (21) connected in one piece to the center portion. The first tapered portion is rotationally symmetric. An axial cross-section of the first tapered portion presents a concave surface shape.

An exchangeable head drill support body (1) comprises at an axially forward end and two axially forwardly extending towers (20). The towers are spaced apart about the longitudinal axis (10). Each tower has a respective non-threaded through hole (21), extending radially. The hole is defined by a respective inner peripheral surface (71) having a first portion (31) and a, radially outside provided, second portion (32). In each of the towers, a first cross-section (72) of the inner peripheral surface of the first portion in a first tangential plane (73) has a center of gravity (74). In each of the towers, the second portion presents geometrical structures that are non-symmetric with respect to a first radial axis (13). The first radial axis passes the respective center of gravity.A threaded insert.An exchangeable head drill support body arrangement.

There is disclosed a force exciter (40) for vibratory equipment for processing bulk material, comprising: a first shaft (1) provided at respective first shaft end portions (1a, 1b) with one or more eccentric first weight (10a, 10b) configured to rotate with the first shaft (1); a second shaft (2) provided at respective second shaft end portions with an eccentric second weight (20a, 20b) and an eccentric third weight (30a, 30b) each configured to rotate with the second shaft (2). A relative position of the second weight (20a, 20b) and the third weight (30a, 30b) of a respective second shaft end portion (2a, 2b) of the second shaft (2) is adjustable in a direction about the second axis (A2).

The invention relates to a coated cutting tool comprising a substrate body and a coating, the coating comprises a sequence of layers, in the order from the substrate body surface, being one or more metal nitride layer(s) (M), the total thickness of the one or more metal nitride layer(s) (M) is from 0.5 to 8 µm, followed by a layer of Cr<1-x>Al<x>N, 0.75≤x≤0.85, as an uppermost layer having a thickness of from 0.1 to 2 µm, the layer of Cr<1-x>Al<x>N is of a single phase B1 cubic structure. The invention also relates to a method of producing the coated cutting tool.

A tool system comprising a tool body (2) of a rotary cutting tool and a closure element (60), the tool body being provided with:- insert pockets (10);- a coolant supply recess (30);- first coolant channels (31) for conveying coolant to a respective first set (40) of coolant discharge channels and having a respective inlet (31a) that opens into the coolant supply recess; and- second coolant channels (32) for conveying coolant to a respective second set (50) of coolant discharge channels and having a respective inlet (32a) that opens into the coolant supply recess.Coolant is injectable into each individual insert pocket through one first set (40) of coolant discharge channels and one second set (50) of coolant discharge channels. The closure element (60) is settable in a closing position in the coolant supply recess in order to block the inlets (32a) of the second coolant channels while leaving the inlets (31a) of the first coolant channels unblocked.

The present invention relates to an indexable cutting insert for turning, a complementary tool holder and a tool comprising the cutting insert and the tool holder. The indexable cutting insert comprises: a two-fold rotational symmetry about an axis of symmetry; a top surface, wherein the top surface comprises a substantially rectangular basic shape with two longitudinal edges and two transverse edges, wherein the top surface comprises a first mounting surface and a second mounting surface spaced from the first mounting surface in a direction parallel to the longitudinal edges; a bottom surface, wherein the bottom surface comprises a first abutment surface, a bottom connecting surface and a second abutment surface, wherein the bottom connecting surface connects the first abutment surface and the second abutment surface, and wherein the second abutment surface is spaced from the first abutment surface in a direction parallel to the longitudinal edges, a side surface connecting the top surface and the bottom surface, wherein an intersection of the top surface and the side surface forms first and second cutting edges positioned along the transverse edges of the top surface. Each of the first and second abutment surfaces comprises a surface normal, which surface normal forms an angle of 5 degrees or more with the axis of symmetry such that the first and second abutment surfaces define a convex basic shape of the bottom surface, wherein the angle is measured in a cross-sectional plane parallel to the axis of symmetry and parallel to the longitudinal edges.

A cable guiding device, a mining vehicle, and a method of guiding a trailing electric cable of an electrically powered mining vehicle. A cable guiding device (17) is for guiding a trailing electric cable (14) of an electrically powered mining vehicle (1). The cable guiding device (17) comprises a cable guiding tail (18) which has an elongated arm configuration mountable to the electrically powered mining vehicle (1). The cable guiding device further comprises a cable guiding assembly (19) mounted to the cable guiding tail (18) and comprising guide rollers (28) for guiding the trailing electric cable (14). The cable guiding device further comprises a force assembly (100), being coupled to the cable guiding assembly (19) and/or the cable guiding tail (18), and configured to pull the trailing electric cable (14) out from the cable reel assembly (16) by providing a force to a portion of the trailing electric cable (14) that is unwound from the cable reel assembly.