201000849 九、發明說明： 【發明所屬之技術領域】 之号ί 及一種測量方法，特別是指-種滾珠螺桿 之“、式螺紋接觸角測量方法之創新設計者。 f先前技術】 按，滾珠螺桿由於具有諸多優 位精度高、使用壽命長、低摩擦但可：速：：數小、定 動等，被廣泛應用於各式Λ η 间速運轉及正逆向轉 各式加工機具的傳動結構上。 滾珠螺桿結構設計上，苴 以及哥德式螺紋（亦稱為哥;；犬概分為半圓形螺紋 圓形螺紋所能承受負荷較大，^、）兩種’其中所述半 珠螺桿；而所述哥德式螺紋則;^用用=厂堅㈣帽型之滾 桿’由於哥德式螺紋與滾珠之間為相對型之滾珠螺 之效能表現，然而，其=，紋具有更低摩擦'更聽音 接觸配合狀態（業界稱之^觸=珠與哥德式螺紋之間的 實際運作時的順暢度n二角）是否精確，對於成品 滾珠螺桿製造成型時 ：3產生重大影響’因此於 觸角進行測量。 …、針對其哥德式螺紋與滾珠之接 至於習知哥德式螺 業界通常採取的作法，'=衰珠之接觸角測量方法’相關 …滚珠置定於哥德式螺紋中’ 201000849 接著由月部打先’再透過資次 哥德式螺故與滚珠之間的^ ^人員以目視直接觀察該 工調整之依據；惟查，此藉 柄狀態’以作為後續加 決於檢視μ 一 測量方法，由於其結果完全取 伏仏奴说人貝的經驗及感 ^ 準性，且ρΜ 、 ，，、精確度相當欠缺一致的標 千 且IV者相關技術人員 積往往產生落㈣殊、^ "更換，經驗的傳承和累 低而影響產品品質，實：：不接的情形，致使測量品質降 。 、'、目關業界須儘速解決改善的問題 是以，針對t+ 、+ 方面所存在之問題珠螺桿哥德式螺紋接觸角測量 性之創新設計，實有待/研發出一種能夠更具理想實用 方向者。 、目關業界再加以思索突破之目標及 有鑑於此，發明人士 ^ 與設計經驗，針對上述年從事相關產品之製造開發 ^ ^ 这之目標，詳加設計與審慎評估後， 終侍一確具實用性之本發明。 【發明内容】201000849 IX. Description of the invention: [Technical field of the invention] ί and a measuring method, in particular, an innovative designer of the "measurement method of the thread contact angle" of the ball screw. f Prior art Press, ball screw Because it has many excellent precision, long service life and low friction, it can be used: speed: small number, fixed motion, etc. It is widely used in the transmission structure of various types of Λ η inter-speed operation and forward and reverse rotation processing tools. Ball screw structure design, 苴 and Gothic thread (also known as brother;; dog is divided into semi-circular threaded circular thread can bear a large load, ^,) two kinds of which are the half-bead screw; And the Gothic thread is used; ^Used = factory hard (four) hat type of the rod 'Because the Gothic thread and the ball are the performance of the relative type of ball screw, however, its =, the pattern has a lower Friction 'more listening and sound matching state (the industry called ^ touch = the smoothness of the actual operation between the beads and the Gothic thread n) is accurate, for the finished ball screw manufacturing molding: 3 has a major impact' Therefore The angle is measured. ..., for its Gothic thread and ball connection, as is the practice of the traditional Gothic screw industry, '= contact angle measurement method of fading beads'...The ball is set in the Gothic thread ' 201000849 Then the first part of the month is used to 'directly pass the squad between the Gothic-style screw and the ball to visually observe the basis of the adjustment of the work; but check, the state of the borrowing is as a follow-up Examine the μ measurement method, because the result is completely undone, and the experience and sense of the 仏 说 人 人 人 , , , , , , 且 且 且 且 且 且 且 且 且 且 且 且 且 且 Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Special, ^ " replacement, the inheritance and lowness of experience affect the quality of the product, the real:: the situation is not connected, resulting in the measurement quality drop., ', the industry must solve the problem of improvement as soon as possible, for t+, + Problems in the field The innovative design of the ball screw Gothic thread contact angle measurement needs to be developed/developed to be more ideal and practical. Here, people ^ invention and design experience, for the above years engaged in the manufacture of products related to the development of this ^ ^ goal, detail design and carefully assessed after a final paternity indeed practicality of the present invention. SUMMARY OF THE INVENTION
本發明之主I θ AA ,g 、，係在提供一種滾珠螺桿之哥德式 累、>.文接觸角測量方法，甘^ 其所欲解決之問題點，係針對習知 滚珠螺桿哥德式螺纹技結& Q _ 、接觸角之測量結果完全取決於檢視人 員的經驗感受，以致立社π e & ，、精確度欠缺一致標準性而仍舊存在 欠缺測量品質、影經客σ 曰產ΟΡ品質之問題點加以思索突破； 本發明解决問韻$ 4 J项之技術特點，在於所述測量方法大致 包括：設置一數-fir is 相枝’並令其鏡頭對向一投影轉換放大 6 201000849 裝置的投 間的正交 影轉換放 滾珠螺桿 ，令螺紋 測滾珠螺 顯示幕之 ;藉由電 化圖像； 珠部位之 及對應滾 珠與滾珠 ;藉此創 提供使用 式螺紋接 之實用進 影顯示幕；進行該數位相機 化調校；將受測之滚珠螺桿 大裝置的影像投入部之間， 之螺紋受測部位；調整滾珠 受測部位之斷面形狀可正向 桿之間利用折光透鏡產生平 衫像焦距’透過數位相機擷 腦進行所述影像之色階分離 依據二值化圖像，利用電腦 圓心點、對應滾珠螺桿軸向 珠部位圓心點之第二基準線 螺桿的螺紋之接觸點及接觸 新獨特設計，使本發明對照 者一種確具一致標準性和精 觸角測量方法，進而達到提 步性及較佳產業經濟效益者 鏡頭與投影 顯 架設於 並將一 螺桿之 準確投 行式光 取投影 作業， 程式計 邊際之 —光源 滾珠置 螺紋導 影；光 線；調 顯示幕 復得出 算依序 第一基 示幕之 與該投 定於該 程角度 源與受 整投影 之影像 一二值 取得滾 準線以 ，最終再計算取得滾 角，即完成所述測量 先前技術而言，將可 確度之滾珠螺桿哥德 昇測量以及產品品質 【實施方式】 5月參閱第1圖所示，係本發明滾珠螺桿之哥德式螺紋 接觸角測量方法之較佳實施例，惟此等實施例僅供說明之 用’在專利申請上並不受此結構之限制； 要包括下述步驟： 主 又置數位相機60 ’並令遠數位相機60之鏡頭61對向 一投影轉換放大裝置30的投影顯示幕32，該數位相機 60並與一電腦7〇作訊號之傳輸連結，其傳輸方式可為 7 201000849 線路傳輸或無線傳輸型態者； '進·行該數位相機^ 影g ，兄 人投影轉換放大裝置30投 I; Γ 的正交化調校，所述正交化調校，即 中戶ΓΓ行度之調校作業’所述平行度即為第2圖 調校且髀竹、“ ，丁之對應狀恶’·所述正交化 …作法上，係可運用畫素之校正轉換原理來達 Ϊ二前的影像科技知識可知，電腦影像視覺技術 :用的放大倍率係包含顯示器的大小尺寸一起考量， 距之！：晶片並非正方形而為長方形，加上其鏡頭焦 衫a,使得正方形物體經由CCD拍攝擷取後會變 長方形影像’故必須透過長寬比例修正公式加以修 正，另，物體在影僳中县愈 肛。诼甲疋以畫素為早位，並非直接以 公制長度尺寸（如咖、cm)為單位，所以量測時須先 以CCD拍攝一已知長寬尺寸之方格，再對該方格尺寸 與影像中的方格長寬尺寸作一比例換算，以獲得該固 定CCD擺設高度與鏡頭光圈焦距所射攝得之待測物影 像中實際長寬尺寸；而上述奎辛 上江旦素之杈正轉換原理應用 於本發明時’吾人係將晝素直接轉換成座標值並寫入 軟：中’復以一塊規80 (如第3圖所示）為受測目標 物量測X軸向之晝素總和，接著，再計算γ轴向晝素 ，直到X、Υ軸二軸畫素皆相同，即代表所述正2化 調校完成； 將受測之一滾珠螺桿10架設於—光源20與該投影轉換 放大裝置30的影像投入部31之間，並藉由一治具仙將 一滾珠50置放且定位於該滾珠螺桿1〇之螺紋受測部位 11 ； 11 ；201000849 、調整該滾珠螺桿10之嫘紋導程角度，令其螺紋受測部 位Π之斷面形狀可正向準確投影於該投影轉換放大裝 置30的影像投入部31 (請參考第4圖所示意）· 、所述光源20與受測滚珠螺桿1〇之間係利用折光透鏡產 生平行式光線，所述折光透鏡如第5圖所示，可為一 凸透鏡片21，藉以對光源所射出之光線wi進行預定幅 度的凝聚折射效果，以使能夠以平行路徑之光線肫經 過滾珠螺桿10之螺紋受測部位丨丨，而能獲得最為接近 真實之投影效果； 、調整該投影顯示幕32之影像焦距，以獲得最為清晰銳 利之受攝影像； 、透過該數位相機60拍攝擷取該投影顯示幕32之影像； 、藉由所述電腦70進行所述影像之色階分離作業，所述 色階分離作業，如第6圖所示，主要是將數位相㈣ 所擷取之原始影像B1加以轉變成灰階圖β2，再將所述 灰階圖進行二值化’復得出一二值化圖像β3 ; 、如第7圖所不，依據該二值化圖像β3 (註：為利於圖 面m晰呈現，圖中影像黑色部位改以灰階狀態表現） ，利用預；t之電腦程式計算依序取得該滚珠部位之圓 〜點c、對應滾珠螺桿1Q軸向邊際之第—基準線以 f對應滚珠50部位^點之第二基準㈣，最終再計 算取得滾珠50與滚珠螺桿1〇螺紋之接觸點w、D2及接 觸角XI、X2 ’至此即完成所述測量作業，其中求取該 9 201000849 基準線L2之目的，早其於、、奋也 疋基於滚珠螵桿10之架設狀態 未必是真正水平狀態，w μ 、 因此取仔该第二基準線L2之實 際角度狀態後’方可對昭兮笛 -a- Κ °亥第—基準線L1 (為一水平 線）而能夠進-步定義該接觸點D1、敗以及接觸角幻 、X2之偏差數值。 其中，針對所述二值仆圃德 κ , λ 1星化圖像β3，係可應用索貝爾（So bel )邊緣搜尋法取得滾珠部 总<圆〜點，亦即電腦程式 糸抓取滾珠部位之邊緣臨 塁r e u 迎旦素灰階值，復套用索貝爾遮 曰用丈1FUter)之加權來作計算。所述索貝爾（S〇bel) 疋用來對二維的離散資料取得梯度的方法之—， 的離散資料可以是數位影像 — 梯度則可為邊界輪廓，對於 1LJ __值化後的影像，垂農；Mj _a/ μ u Λ 用帝目…“像的邊緣最常見的就是使 索貝爾遮罩（Sobel Filter )。 算^，料滾珠與滾珠螺桿的螺紋之接觸點m、D2的計 得，m3樣可應用前述索貝爾（s〇bei)邊緣搜尋法取 。 俠异求出一個精確的點位置 本發明之優點： 本發明所揭方法將可提供相 劊新滾珐艘4曰1 土 關菜界種數位投影式之 果具有-❹進从… 咽用冽里方法，由於其測量結 I準丨生和精確度’故可有对杯绍抑4 Μ 目測檢視之古祖兰曰Α Γ有放杜絕習知採用人員 式螺咬接總H曰 迻y大b如什滾珠螺桿哥德 fi M gA ,± . 系才干產口口口口貝之實用進步 及季乂佳產業經濟效益者。 、用進/ 10 201000849 上述實施例所揭示者、 雖透過特定的術語’、精以具體說明本發明，且文中 %行說 ，卷 利範圍；熟悉此項 —,虽不能以此限定本發明之專 神與原則後對其進：領域之人士當可在瞭解本發明之精 等變更與修改，比丁交更與修改而達到等效之目的，而此 定範疇中。 自…涵蓋於如后所述之申請專利範圍所界 11 201000849 【圖式簡單說明】 第1圖：本發明所採用的設備之立體圖。 第2圖：本發明所揭方法步驟之輔助示意圖一。 第3圖：本發明之正交化調校步驟參考圖。 第4圖：本發明所揭方法步驟之輔助示意圖二。 第5圖：本發明所揭方法步驟之輔助示意圖三。 第6圖：本發明所揭方法步驟之輔助示意圖四。 第7圖：本發明所揭方法步驟之輔助示意圖五。 【主要元件符號說明】 滾珠螺桿 10 螺紋受測部位 11 光源 2 0 凸透鏡片 21 投影轉換放大裝置 30 影像投入部 31 投影顯示幕 32 治具 4 0 滾珠 5 0 數位相機 60 鏡頭 6 1 電腦 7 0 塊規 8 0 12The main I θ AA , g , of the present invention provides a method for measuring the contact angle of a ball screw, and the method for measuring the contact angle of the ball screw is to solve the problem of the ball screw. The threading technique & Q _, the measurement of the contact angle depends entirely on the experience of the inspector, so that the agency π e & , the accuracy is not consistent with the standard and there is still a lack of measurement quality, shadow σ 曰The problem of calving quality is considered to be a breakthrough; the technical feature of the present invention is to solve the problem of the rhyme $4 J item, which is that the measuring method generally includes: setting a number-fir is phase 'and making the lens opposite to a projection conversion 6 201000849 The orthogonal shadow conversion of the device is placed on the ball screw, so that the thread is measured by the ball screw; by electro-chemical image; the bead part corresponds to the ball and the ball; thereby creating a practical use of the threaded connection The screen display screen; the digital camera adjustment; the threaded part between the image input parts of the ball screw device to be tested; the cross-sectional shape of the adjusted ball measurement part can be positive Between the use of a refractive lens to produce a flat shirt image focal length 'through the digital camera brain to perform the color gradation separation of the image according to the binarized image, using the computer center point, the second reference line corresponding to the center point of the ball screw axial bead portion The contact point of the screw thread and the new unique design of the contact make the control object of the present invention have a consistent standard and fine antenna measurement method, thereby achieving the step-by-step performance and better industrial economic efficiency. Accurate investment-type projection operation of the screw, the margin of the program--the light source ball is placed on the thread guide; the light; the adjustment of the display screen is calculated in the order of the first base screen and the target is determined by the angle source and the receiver The image of the whole projection takes a two-valued roll to obtain the roll line, and finally calculates the roll angle, that is, the measurement is completed. The prior art, the ball screw Gödg measurement and the product quality can be confirmed. [Implementation] 1 is a preferred embodiment of a Gothic thread contact angle measuring method for a ball screw of the present invention, but the embodiments are only used The use of the 'in the patent application is not limited by this structure; the following steps are included: the main digital camera 60' is set and the lens 61 of the remote digital camera 60 is directed to the projection display screen 32 of a projection conversion amplifying device 30. The digital camera 60 is connected to a computer 7 for signal transmission, and the transmission mode can be 7 201000849 line transmission or wireless transmission type; 'into the line digital camera ^ shadow g, brother projection conversion amplification device 30-input I; 正交 Orthogonalization adjustment, the orthogonalization adjustment, that is, the adjustment operation of the middle-level squatting degree, the parallelism is the second map adjustment and the bamboo, ", Ding Zhi Corresponding to the evil '·the orthogonalization method... The method of using the correction conversion principle of the pixel to achieve the image technology knowledge of the former two, the computer image vision technology: the magnification used includes the size of the display together. Consideration, distance! : The wafer is not square and rectangular, and its lens coke a, so that the square object will be converted into a rectangular image after being captured by CCD. Therefore, it must be corrected by the length-width ratio correction formula. In addition, the object is in the shadow of the county. anus.诼甲疋 uses the pixels as the early position, not directly in the metric length dimension (such as coffee, cm), so the measurement must first take a CCD to shoot a square of known length and width, and then the square size Converting the length and width of the square in the image to obtain the actual length and width dimensions of the image of the object to be tested taken by the fixed CCD height and the focal length of the lens aperture; When the principle of positive conversion is applied to the present invention, 'the system converts the element directly into a coordinate value and writes it into the soft: medium' complex with a gauge 80 (as shown in Fig. 3) for measuring the X-axis of the target. The sum of the alizarins, then, the gamma axial alizarin is recalculated until the X and the paraxial biaxial pixels are the same, that is, the positive calibration is completed; one of the ball screws 10 to be tested is mounted on the light source 20 Between the image input unit 31 of the projection conversion/amplifying device 30, a ball 50 is placed by a jig and positioned at the threaded portion 11 of the ball screw 1; 11; 201000849, and the ball is adjusted The lead angle of the thread 10 of the screw 10 is such that the thread is subjected to the measured portion. The image can be accurately projected in the forward direction of the image input unit 31 of the projection conversion amplifying device 30 (please refer to FIG. 4). The light source 20 and the ball screw under test 1b are used to generate parallel light rays by using a refractive lens. As shown in FIG. 5, the refractive lens may be a convex lens sheet 21, thereby performing a cohesive refractive effect of a predetermined amplitude on the light wi emitted from the light source, so that the light of the parallel path can pass through the thread of the ball screw 10. The measured part is 丨丨, and the projection effect closest to the real one can be obtained; and the image focal length of the projection display screen 32 is adjusted to obtain the clearest and sharpest photographic image; and the projection display screen is captured by the digital camera 60 The image of 32 is performed by the computer 70, and the color gradation separation operation, as shown in FIG. 6, is mainly to transform the original image B1 captured by the digital phase (4). Gray-scale map β2, and then the gray-scale map is binarized to obtain a binarized image β3; as shown in Fig. 7, according to the binarized image β3 (Note: for the benefit of The picture m is clear In the figure, the black part of the image is changed to the gray-scale state), and the circle of the ball part is obtained by using the computer program of the pre-step; the point c is the same as the first reference line of the axial margin of the ball screw 1Q. The second reference (4) of the 50-point ^ point, and finally the contact point w, D2 and the contact angle XI, X2 ' of the ball 50 and the ball screw 1 〇 thread are obtained, and the measurement operation is completed, wherein the 9 201000849 reference is obtained. The purpose of the line L2 is that the state of the erection based on the ball mast 10 is not necessarily a true horizontal state, w μ , and therefore the actual angle state of the second reference line L2 is taken. Flute-a- Κ °Hai - the baseline L1 (which is a horizontal line) and can further define the deviation value of the contact point D1, the failure and the contact angle illusion and X2. Wherein, for the binary servant κ, λ 1 star image β3, the Sobel edge search method can be used to obtain the total ball circle <circle ~ point, that is, the computer program grabs the ball The edge of the part is the value of the reu 迎 素 素 素 素 , , , , , , , 素 素 FU FU FU FU FU FU FU FU FU FU FU FU FU FU FU The method in which the Sobel (S〇bel) is used to obtain a gradient for two-dimensional discrete data may be a digital image - the gradient may be a boundary contour, and for a 1LJ __valued image,垂农;Mj _a/ μ u Λ With the Emperor... "The most common edge of the image is the Sobel Filter. Calculate the contact point m, D2 of the ball and the thread of the ball screw. The m3 sample can be applied by the aforementioned Sobel (B〇bei) edge search method. The advantage of the present invention is that the precise point position of the present invention is obtained: The method disclosed by the present invention can provide a new rolling boat 4曰1 soil The number of projections in the Guancai community has the effect of ❹ 从 从 ... ... 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽 咽Γ 放 习 采用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用 用Use / 10 201000849 The above embodiments are disclosed, though through a specific term ', The invention is specifically described, and the scope of the article is stated in the text, and the scope of the volume is familiar; although it is not possible to limit the spirit and principle of the invention, the person in the field can understand the essence of the invention. Such changes and modifications are more than the modification and the equivalent of the modification, and this is within the scope of the application. Covered by the scope of the patent application as described later 11 201000849 [Simple description of the diagram] Figure 1: A perspective view of the apparatus used in the present invention. Fig. 2 is an auxiliary diagram 1 of the steps of the method disclosed in the present invention. Fig. 3 is a reference diagram of the orthogonalization adjustment procedure of the present invention. Fig. 4: steps of the method disclosed in the present invention Auxiliary Schematic 2. Figure 5: Auxiliary Schematic 3 of the steps of the method disclosed in the present invention. Figure 6: Auxiliary Schematic 4 of the steps of the method disclosed in the present invention. Figure 7: Auxiliary Schematic 5 of the steps of the method disclosed in the present invention. [Description of main component symbols] Ball screw 10 Threaded part to be tested 11 Light source 2 0 lenticular lens sheet 21 Projection conversion amplifying device 30 Image input unit 31 Projection display screen 32 Fixture 4 0 Ball 5 0 Digital camera 60 Computer 70 head 61 gauge block 8012