DE579950C - Device for measuring the pitch diameter of threads - Google Patents

Device for measuring the pitch diameter of threads

Info

Publication number
DE579950C
DE579950C DED62988D DED0062988D DE579950C DE 579950 C DE579950 C DE 579950C DE D62988 D DED62988 D DE D62988D DE D0062988 D DED0062988 D DE D0062988D DE 579950 C DE579950 C DE 579950C
Authority
DE
Germany
Prior art keywords
measuring
threads
pitch diameter
balls
cages
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DED62988D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Priority to DED62988D priority Critical patent/DE579950C/en
Application granted granted Critical
Publication of DE579950C publication Critical patent/DE579950C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/38Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable
    • G01B3/40Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable for external screw-threads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Description

Einrichtung zum Messen des Flankendurchmessers von Gewinden Gegenstand des Hauptpatents ist eine Einrichtung zum Messen des Flankendurchmessers von Gewinden mittels eines über das Gewinde zu streifenden Kugelkäfigs, in dem Meßkugeln lose gefaßt sind in Verbindung mit zylindrisch abgestuften oder kegeligen Ringen bzw. Bolzen. Die zusätzliche Erfindung erweitert die Anwendungsmöglichkeit solcher Kugelkäfige auch auf Rachenlehren, indem die Kugelkäfige an den planparallelen Backenflächen solcher Lehren befestigt sind. Die Lehren nach dem Hauptpatent sind sowohl zum Messen von Ring- wie auch Bolzengewinden geeignet; die nachstehend beschriebene Einrichtung gestattet dagegen nur Bolzengewinde zu messen.Device for measuring the pitch diameter of thread object of the main patent is a device for measuring the pitch diameter of threads by means of a ball cage to be rubbed over the thread, in which the measuring balls are loose are set in connection with cylindrically stepped or conical rings or Bolt. The additional invention extends the application possibilities of such ball cages also on snap gauges by placing the ball cages on the plane-parallel jaw surfaces such teachings are attached. The gauges according to the main patent are both for measuring suitable for ring and bolt threads; the facility described below allows only bolt threads to be measured.

Die Abb. i zeigt eine Rachenlehre zum Messen eines etwa 2 Zoll starken Gewindebolzens. Die Lehre ist in der üblichen handlichen Form der gebräuchlichen Rachenlehre gehalten; die Kugeln sitzen lose im Käfig, so daß sie sich ohne Klemmung sowohl an die ebenen Flächen der Lehre wie an die Gewindeflanken anlegen können.Fig. I shows a snap gauge for measuring an approximately 2 inch thick Threaded bolt. The teaching is in the usual handy form of the usual one Throat gauge held; the balls sit loosely in the cage, so that they are without clamping can apply both to the flat surfaces of the gauge and to the thread flanks.

Die Anzahl der Kugeln in zwei zusammengehörigen Kugelkäfigen muß mindestens diei Stück betragen. Ist sie größer, dann werden entsprechend mehr Gewindegänge erfaßt. Jede Lehre muß zwei Kugelkäfige erhalten; die Kugelzabl ist auf der einen Seite meistens gerade und auf der anderen ungerade. Zwei zusammengehörige Kugelreihen sind um die halbe Gewindesteigung zueinander versetzt (Abb. a). Die rückwärtige Anlage der Kugeln im Käfig ist geradlinig, ebenfalls liegen die Kugeln beider Käfige in der gleichen Ebene.The number of balls in two ball cages that belong together must be at least which amount to If it is larger, there will be a correspondingly larger number of threads recorded. Each teaching must have two ball cages; the Kugelzabl is on one Mostly even on one side and odd on the other. Two rows of spheres that belong together are offset from one another by half the thread pitch (Fig. a). The rear The positioning of the balls in the cage is straight, the balls of both cages are also located in the same plane.

Für Toleranzmessungen sind an jeder Backe zwei planparallele Flächen mit je einer Kugelreihe vorgesehen, die in der üblichen Stufenform eingearbeitet sind (Abb. 5 und G). Ferner kann die Toleranz durch die Einfügung einer größeren Kugelsorte in die zweite Reihe bestimmt werden, wobei dann keine Abstufung der planparallelen Flächen erforderlich ist, wie dieses in den Abb. 3 und q. dargestellt ist.There are two plane-parallel surfaces on each jaw for tolerance measurements each provided with a row of balls, which are incorporated in the usual step shape are (Fig. 5 and G). Furthermore, the tolerance can be increased by inserting a larger Ball type in the second row can be determined, with then no gradation of the plane-parallel Areas is required, as shown in Fig. 3 and q. is shown.

Die Befestigung der Käfige an den Backen der Rachenlehre kann durch Schwalbenschwänze oder durch Stifte und Schrauben oder auch durch beide zusammen erfolgen (Abb. 3 und 4).The attachment of the cages to the jaws of the snap gauge can be done by Dovetail or by pins and screws or by both together take place (Fig. 3 and 4).

Claims (1)

PATENTANSi'ROCFJ Einrichtung zum Messen des Flankendurchmessers von Gewinden nach Patent 575 978, dadurch gekennzeichnet, daß die Kugelkäfige an den planparallelen Flächen der Backen einer Rachenlehre befestigt sind.PATENTANSi'ROCFJ Device for measuring the pitch diameter of threads according to Patent 575 978, characterized in that the ball cages are attached to the plane-parallel surfaces of the jaws of a snap gauge.
DED62988D Device for measuring the pitch diameter of threads Expired DE579950C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED62988D DE579950C (en) Device for measuring the pitch diameter of threads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED62988D DE579950C (en) Device for measuring the pitch diameter of threads

Publications (1)

Publication Number Publication Date
DE579950C true DE579950C (en) 1933-07-03

Family

ID=7058599

Family Applications (1)

Application Number Title Priority Date Filing Date
DED62988D Expired DE579950C (en) Device for measuring the pitch diameter of threads

Country Status (1)

Country Link
DE (1) DE579950C (en)

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