JPH0319405U

JPH0319405U -

Info

Publication number: JPH0319405U
Application number: JP8039489U
Authority: JP
Priority date: 1989-07-08
Filing date: 1989-07-08
Publication date: 1991-02-26

Description

[Brief explanation of drawings]

第１図〜第１９図は第一の考案の実施例を示す
ものであつて、第１図はカムノーズ表面層形成部
材を示し、同図ａは正面図、同図ｂは側面図、第
２図は模型を貼付けたプレートを示し、同図ａは
右半分平面図、同図ｂは左半分平面図、第３図は
第２図の−線矢視拡大断面図、第４図は第２
図の−線矢視拡大断面図、第５図は第２図の
−線矢視拡大断面図、第６図は第２図の−
線矢視拡大断面図、第７図、第８図、第９図及
び第１０図は夫々鋳型のカム対応部分の拡大断面
図、第１１図は第７図の−線矢視断面図
、第１２図は第８図の−線矢視断面図、
第１３図は第１０図の−線矢視断面図、
第１４図はカム軸素材を示し、同図ａは右半分平
面図、同図ｂは左半分平面図、第１５図は第１４
図の−線矢視拡大断面図、第１６図は第
１４図の−線矢視拡大断面図、第１７図
は第１４図の−線矢視拡大断面図、第１
８図は第１４図の−線矢視拡大断面図、
第１９図は他の例による第７図と同様の鋳型の拡
大断面図である。第２０図〜第３４図は第二の考
案の実施例を示すものであつて、第２０図はカム
表面層形成部材を示し、同図ａは正面図、同図ｂ
は右側面図、第２１図は模型を貼り付けたプレー
トを示し、同図ａは右半分平面図、同図ｂは左半
分平面図、第２２図は第２１図の−
線矢視拡大断面図、第２３図は第２１図の
−線矢視拡大断面図、第２４図は第２１図
の−線矢視拡大断面図、第２５図は
第２１図の−線矢視拡大断面図、第
２６図、第２７図、第２８図及び第２９図は夫々
鋳型のカム対応部分の拡大断面図、第３０図はカ
ム軸素材を示し、同図ａは右半分平面図、同図ｂ
は左半分平面図、第３１図は第３０図の
−線矢視拡大断面図、第３２図は第３０
図の−線矢視拡大断面図、第３
３図は第３０図の−線矢視拡大
断面図、第３４図は第３０図の−
線矢視拡大断面図である。なお、図面に示された符号において、１Ａ，１
Ｂ……カムノーズ表面層形成部材、１Ｃ……カム
表面層形成部材、１Ａａ，１Ｂａ……端面、１Ｃ
ａ，１Ｃｂ，１Ｃｃ，１Ｃｄ……凹部、２……模
型、４……下型、５……上型、４ａ，５ａ……鋳
型段部、１１……模型のカム部、１１ｃ……模型
の凹部、２１Ａａ，２１Ａｂ，２１Ａｃ，２１Ａ
ｄ……鋳型キヤビテイの凸部、３１……カム、３
１Ａ……カムノーズの表面層部分、３１Ｃ……カ
ムの表面層部分、３５……母材、である。 Figures 1 to 19 show an embodiment of the first invention, in which Figure 1 shows a cam nose surface layer forming member, Figure a is a front view, Figure b is a side view, Figure 2 The figures show the plate to which the model is attached; figure a is a right half plan view, figure b is a left half plan view, figure 3 is an enlarged sectional view taken along the - line in figure 2, and figure 4 is the second half plane view.
Figure 5 is an enlarged sectional view taken along the - line in Figure 2, Figure 6 is an enlarged sectional view taken in the - line direction in Figure 2, and Figure 6 is an enlarged sectional view taken in the direction -
FIGS. 7, 8, 9 and 10 are enlarged sectional views of the cam-corresponding parts of the mold, and FIG. 11 is a sectional view taken along the - line in FIG. Figure 12 is a sectional view taken along the - line in Figure 8;
FIG. 13 is a sectional view taken along the - line in FIG. 10;
Fig. 14 shows the camshaft material, Fig. 14 a is a right half plan view, Fig. 14 b is a left half plan view, and Fig. 15 is a camshaft material.
FIG. 16 is an enlarged cross-sectional view taken along the line - in FIG. 14, FIG. 17 is an enlarged cross-sectional view taken along the line - in FIG.
Figure 8 is an enlarged sectional view taken along the - line in Figure 14;
FIG. 19 is an enlarged sectional view of a mold similar to FIG. 7 according to another example. Figures 20 to 34 show an embodiment of the second invention, in which Figure 20 shows a cam surface layer forming member, Figure a is a front view, Figure b
is a right side view, FIG. 21 shows the plate to which the model is attached, FIG. 21 shows the right half plan view, FIG.
FIG. 23 is an enlarged cross-sectional view taken along the - line in FIG. 21, FIG. 24 is an enlarged cross-sectional view taken along the - line in FIG. 26, 27, 28 and 29 are enlarged sectional views of the cam-corresponding parts of the mold, FIG. 30 shows the camshaft material, and figure a is a right half plan view. , same figure b
is a left half plan view, FIG. 31 is an enlarged sectional view taken along the - line in FIG. 30, and FIG.
Enlarged sectional view taken along the - line arrow in the figure, No. 3
Figure 3 is an enlarged sectional view taken along the line - in Figure 30, and Figure 34 is - in Figure 30.
It is an enlarged sectional view taken along the line. In addition, in the symbols shown in the drawings, 1A, 1
B...Cam nose surface layer forming member, 1C...Cam surface layer forming member, 1Aa, 1Ba... End surface, 1C
a, 1Cb, 1Cc, 1Cd... recess, 2... model, 4... lower mold, 5... upper mold, 4a, 5a... mold step part, 11... cam part of model, 11c... model Recess, 21Aa, 21Ab, 21Ac, 21A
d...Protrusion of mold cavity, 31...Cam, 3
1A: surface layer portion of cam nose, 31C: surface layer portion of cam, 35: base material.

Claims

[Claims for Utility Model Registration] 1. Consisting of a plate-shaped body exhibiting a cam nose shape, the circumferential end face of this plate-shaped body is located beyond the radial center line of the shaft, and the width of the plate-shaped body is is wider than the width of the opposite side of the cam nose,
Cam nose surface layer forming member for cam shaft manufacturing. 2. A cam surface layer forming member for manufacturing a camshaft, wherein recesses for positioning are provided at at least four predetermined locations on the end surface of a cam-shaped cylindrical body.