JP2014237185A5 - - Google Patents
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- JP2014237185A5 JP2014237185A5 JP2013120531A JP2013120531A JP2014237185A5 JP 2014237185 A5 JP2014237185 A5 JP 2014237185A5 JP 2013120531 A JP2013120531 A JP 2013120531A JP 2013120531 A JP2013120531 A JP 2013120531A JP 2014237185 A5 JP2014237185 A5 JP 2014237185A5
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- 238000003754 machining Methods 0.000 claims 12
- 238000004088 simulation Methods 0.000 claims 9
- 238000004364 calculation method Methods 0.000 claims 4
Description
(請求項4)好ましくは、前記切削力算出手段は、前記領域ΔP(i,i+1)による前記切込ベクトルL(i)を含み、かつ、前記隣り合う2つの定義点P(i),P(i+1)を結ぶ定義点間ベクトルB(i)に直交する平面G(i)についての2次元切削モデルを適用することにより、前記領域ΔP(i,i+1)による切削力FH(i)を算出する。平面G(i)についての2次元切削モデルを適用することで、切削力FH(i)を容易に算出できる。 (Claim 4) Preferably, the cutting force calculating means includes the cut vector L (i) by the region ΔP (i, i + 1) and the two adjacent definition points P (i), P By applying a two-dimensional cutting model for the plane G (i) orthogonal to the defined point vector B (i) connecting (i + 1), the cutting force F H (i) by the region ΔP (i, i + 1) is obtained. calculate. The cutting force F H (i) can be easily calculated by applying the two-dimensional cutting model for the plane G (i).
(請求項5)好ましくは、前記すくい角算出手段は、前記定義点間ベクトルB(i)を算出し、前記平面G(i)を算出し、前記隣り合う2つの定義点P(i),P(i+1)を含む隣り合う3つ以上の定義点P(k)に基づいて、前記隣り合う2つの定義点P(i),P(i+1)の中点Pc(i,i+1)における刃面法線ベクトルN(i)を算出し、前記刃面法線ベクトルN(i)を前記平面G(i)に投影した場合の投影法線ベクトルNg(i)を算出し、前記平面G(i)において、前記切込ベクトルL(i)と前記投影法線ベクトルNg(i)とのなす角度である投影すくい角αg(i)を前記すくい角α(i)として算出する。投影すくい角αg(i)をすくい角α(i)とみなすことにより、平面Gについての2次元切削モデルを適用した場合に、切削力FH(i)を確実に算出できる。 (Claim 5) Preferably, the rake angle calculating means, said calculating a defined point between the vectors B (i), and calculates the plane G (i), the two defining points adjacent P (i), Based on three or more adjacent definition points P (k) including P (i + 1), the blade surface at the midpoint Pc (i, i + 1) of the two adjacent definition points P (i) and P (i + 1) A normal vector N (i) is calculated, a projection normal vector Ng (i) when the blade surface normal vector N (i) is projected onto the plane G (i) is calculated, and the plane G (i ), A projection rake angle αg (i) which is an angle formed by the cut vector L (i) and the projection normal vector Ng (i) is calculated as the rake angle α (i). By regarding the projected rake angle αg (i) as the rake angle α (i), the cutting force F H (i) can be reliably calculated when the two-dimensional cutting model for the plane G is applied.
Claims (6)
被加工物の中心軸線回りへの前記被加工物の回転と前記加工用工具の中心軸線回りへの前記加工用工具の回転とを同期させながら、
前記加工用工具を前記被加工物に対して前記被加工物の中心軸線に向かって直進させることで、前記被加工物に歯車を加工する歯車加工のシミュレーション装置であって、
それぞれの工具刃における端面と側面との境界線を複数の定義点P(k)(ただし、k=1〜n)により規定し、
隣り合う2つの定義点P(i),P(i+1)間の領域ΔP(i,i+1)毎に、所定時間に、当該領域ΔP(i,i+1)が切込方向へ移動する切込ベクトルL(i)を算出する切込ベクトル算出手段と、
前記切込ベクトルL(i)に基づいて、前記領域ΔP(i,i+1)によるすくい角α(i)を算出するすくい角算出手段と、
前記すくい角α(i)に基づいて、前記領域ΔP(i,i+1)毎に前記領域ΔP(i,i+1)よる切削力FH(i)を算出する切削力算出手段と、
を備える、歯車加工シミュレーション装置。 The center axis of the workpiece and the center axis of the machining tool having a plurality of tool blades on the outer periphery are inclined and twisted,
While synchronizing the rotation of the workpiece about the center axis of the workpiece and the rotation of the processing tool about the center axis of the processing tool,
A gear machining simulation device for machining a gear on the workpiece by causing the machining tool to advance straight toward the center axis of the workpiece with respect to the workpiece,
The boundary line between the end surface and the side surface of each tool blade is defined by a plurality of definition points P (k) (where k = 1 to n),
A cutting vector L in which the region ΔP (i, i + 1) moves in the cutting direction at a predetermined time for each region ΔP (i, i + 1) between two adjacent definition points P (i) and P (i + 1). A cutting vector calculation means for calculating (i);
Rake angle calculating means for calculating a rake angle α (i) by the region ΔP (i, i + 1) based on the cut vector L (i);
Cutting force calculating means for calculating a cutting force F H (i) by the region ΔP (i, i + 1) for each region ΔP (i, i + 1) based on the rake angle α (i);
A gear machining simulation device comprising:
それぞれの前記領域ΔP(i,i+1)による前記切削力FH(i)と前記切込ベクトルL(i)とに基づいて、前記被加工物に生じるトルクTwまたは前記加工用工具に生じるトルクTtを算出するトルク算出手段を備える、請求項1の歯車加工シミュレーション装置。 The gear machining simulation device
Based on the cutting force F H (i) by the respective regions ΔP (i, i + 1) and the cut vector L (i), the torque Tw generated in the workpiece or the torque Tt generated in the processing tool The gear machining simulation device according to claim 1, further comprising torque calculating means for calculating
前記定義点間ベクトルB(i)を算出し、
前記平面G(i)を算出し、
前記隣り合う2つの定義点P(i),P(i+1)を含む隣り合う3つ以上の定義点P(k)に基づいて、前記隣り合う2つの定義点P(i),P(i+1)の中点Pc(i,i+1)における刃面法線ベクトルN(i)を算出し、
前記刃面法線ベクトルN(i)を前記平面G(i)に投影した場合の投影法線ベクトルNg(i)を算出し、
前記平面G(i)において、前記切込ベクトルL(i)と前記投影法線ベクトルNg(i)とのなす角度である投影すくい角αg(i)を前記すくい角α(i)として算出する、
請求項4の歯車加工シミュレーション装置。 The rake angle calculating means includes:
Calculates a vector B (i) between the defining points,
Calculating the plane G (i);
Based on three or more adjacent definition points P (k) including the two adjacent definition points P (i) and P (i + 1), the two adjacent definition points P (i) and P (i + 1) Blade surface normal vector N (i) at the midpoint Pc (i, i + 1) of
A projection normal vector Ng (i) when the blade surface normal vector N (i) is projected onto the plane G (i);
In the plane G (i), a projection rake angle αg (i) that is an angle formed by the cut vector L (i) and the projection normal vector Ng (i) is calculated as the rake angle α (i). ,
The gear machining simulation device according to claim 4.
所定時間における前記被加工物の形状変化に基づいて算出された前記領域ΔP(i,i+1)による切込量d1(i)を用いて、前記切削力FH(i)を算出する、
請求項1〜5の何れか一項の歯車加工シミュレーション装置。 The cutting force calculation means includes
The cutting force F H (i) is calculated using the cutting amount d1 (i) based on the region ΔP (i, i + 1) calculated based on the shape change of the workpiece in a predetermined time.
The gear machining simulation device according to any one of claims 1 to 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2013120531A JP6244677B2 (en) | 2013-06-07 | 2013-06-07 | Gear machining simulation device |
Applications Claiming Priority (1)
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JP2013120531A JP6244677B2 (en) | 2013-06-07 | 2013-06-07 | Gear machining simulation device |
Publications (3)
Publication Number | Publication Date |
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JP2014237185A JP2014237185A (en) | 2014-12-18 |
JP2014237185A5 true JP2014237185A5 (en) | 2016-10-13 |
JP6244677B2 JP6244677B2 (en) | 2017-12-13 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6746940B2 (en) * | 2016-02-16 | 2020-08-26 | 株式会社ジェイテクト | Apparatus and method for simulating tooth profile of gear, and apparatus and method for simulating blade surface of machining tool |
JP6693290B2 (en) * | 2016-06-20 | 2020-05-13 | 株式会社ジェイテクト | Gear cutting tool, grinding wheel, gear cutting tool design method, grinding wheel design method, and machine tool |
JP2018122425A (en) | 2017-02-03 | 2018-08-09 | 株式会社ジェイテクト | Gear-cutting tool processing device, processing method, tool shape simulation device and tool shape simulation method |
JP6673260B2 (en) | 2017-02-24 | 2020-03-25 | トヨタ自動車株式会社 | Gear member and method of manufacturing the same |
CH714443B1 (en) * | 2017-12-15 | 2020-10-15 | Reishauer Ag | Method and device for measuring a rolling machining tool. |
JP6973044B2 (en) * | 2017-12-26 | 2021-11-24 | 株式会社ジェイテクト | Gear machining simulation device |
JP7177669B2 (en) * | 2018-11-16 | 2022-11-24 | 株式会社小松製作所 | Analysis device, analysis method and processing system |
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JPH0825182A (en) * | 1994-07-13 | 1996-01-30 | Hitachi Ltd | Cutting condition display device |
EP2537615B1 (en) * | 2011-06-21 | 2014-11-26 | Klingelnberg AG | Robust method for skiving |
JP5804367B2 (en) * | 2011-09-01 | 2015-11-04 | 広島県 | Machining error prediction method, machining error prediction apparatus, tool path correction method, and tool path correction apparatus |
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