Patent
Method for predicting cutting force of cylindrical gear slotting
Han Xinghui,Wang Libo,Hua Lin +2 more
TLDR
In this paper, a method for predicting the cutting force of cylindrical gear slotting is proposed, which consists of calculating the area of a circular ring in the contact area between a gear and a slotting cutter during machining, and uniformly distributing enough data points in the circular ring.Abstract:
The invention relates to a method for predicting cutting force of cylindrical gear slotting, which comprises the following steps: calculating the area of a circular ring in the contact area of a cylindrical gear and a slotting cutter during machining, and uniformly distributing enough data points in the circular ring; according to the position relation between the cylindrical gear and slotting cutter, solving a coordinate transformation matrix; judging the points after coordinate transformation, selecting the points in the gear shaping cutter according to the size of the pole diameter and thepole angle at the gear tooth position of the gear shaping cutter; distributing enough data points equidistantly on the tooth tip circle and involute of the gear shaping cutter; in each step of gear shaping cutter cutting, judging the point of contact between the gear shaping cutter and a workpiece, and selecting the point of contact between the gear shaping cutter and the workpiece according to the distance between equidistant points distributed on the gear shaping cutter tooth profile and the workpiece center; and determining the magnitude of the cutting force by the formula based on the unitcutting force. The invention can accurately predict the cutting force of cylindrical gear shaping, and has the advantages of high calculation precision and high calculation efficiency.read more
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Patent
Variable transmission ratio rack gear shaping force prediction method
Han Xinghui,Hua Lin,Xu Man +2 more
TL;DR: In this article, a variable transmission ratio rack gear shaping force prediction method was proposed, which consists of three steps: establishing a cutter gear tooth model, discretizing the cutter gear teeth model, and establishing a machined rack model in a workpiece coordinate system; S2, calculating a polar angle and a polar diameter from the discrete point of the rack to the center of slotting cutters; S3, the discrete points are screened out to serve as cut points, and the number of all the screened discrete points is the size a of the cutting area; S4
Patent
Fast predicating method of each-tooth cutting area of circular corner milling
Li Guochao,Ben Nengjun +1 more
TL;DR: In this article, a fast predicating method of the each-tooth cutting area of circular corner milling is proposed, which is based on the S1 equation of the design contour line of the to-be-processed component, the S2 equations of the work blank contours line and the S0 equation of axis movement contour lines of a milling cutter, at the moment t, solving the coordinate pi0 of the milling cutting circle center point in the coordinate system.
References
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Journal ArticleDOI
Cutting force prediction in hypoid gear machining
TL;DR: An analytical model to predict cutting force in the hypoid gear cutting, in which the gear grooves are machined by sets of inner and outer cutting blades, which is validated in the cutting tests with measuring the cutting forces.
Patent
Constant cutting force gear processing method based on deep reinforcement learning
Fengkai Ke,Zhou Weiti,Zhao Daxing,Zhu Haifeng,Ding Guolong,Sun Guodong,Xu Wan,Wu Zhenyu,Zhao Di +8 more
TL;DR: In this paper, a constant cutting force gear processing method based on deep reinforcement learning is proposed, which comprises the steps of constructing a deep RL model, constructing output interference, constructing a simulation environment, establishing a reward rt calculation model, accumulating an experience pool, and utilizing the trained deep RL neural network to control the cutting gears of gear shaping machines.
Patent
Design method for noncylindrical gear profile
TL;DR: In this article, a design method for a noncylindrical gear profile is presented, which consists of solving a pitch-curve normal equidistant curve set of to-be-designed noncylinear gear and taking sufficient data points from the curve set.
Patent
Portable lathe machine
TL;DR: A rotating machining device for machining a work piece includes a support housing adapted for mounting on the work piece and a headstock rotatably mounted on the support housing about an axis.