nodular iron 中文意思是什麼

nodular iron 解釋
球狀石墨鑄鐵
  • nodular : adj. 1. 有節[結、瘤等]的。2. 【礦物】結核狀的；【冶金】榴狀的。
  • iron : n 1 鐵。2 鐵器，鐵製品；小刀，尖刀；熨斗，烙鐵。3 〈俚語〉（牛羊身上打的）烙印。4 腳鐐，手銬；馬...
  1. Research on casting process of nb bainite nodular cast iron gear

    鈮貝氏體球墨鑄鐵齒輪的鑄造技術
  2. Abstract : the constitution, process principle and parameters of a continuous desulphurization system used to desulphurize the base iron for nodular iron was introduced. the characteristics of the system and its operation instruction was explained

    文摘:介紹了一種爐外球鐵原鐵液連續脫硫系統的組成、工藝原理及有關參數，說明了該系統的使用方法及特點。
  3. It is this nodular microstructure of carbon in ductile iron which produces high ductility and shock resistance while the flake form of cast iron results in no malleability

    正是這種碳的球狀微觀結構，使得球墨鑄鐵具有更加良好的展延性和抗沖擊性，而鑄鐵內部的薄片形式導致鑄鐵沒有展延性。
  4. Application of multicomponent permeation to nodular cast iron

    多元共滲在球墨鑄鐵中的應用
  5. How is timing controlled to prevent nodular iron fade

    如何控制球鐵孕育時間？防止石墨退化
  6. Contro1 of deformation of nodular cast iron rack during manufacture

    球墨鑄鐵齒條變形的控制
  7. Foundry methods for nodular iron castings with medium and small size

    中小球墨鑄鐵件的鑄造工藝
  8. After over 10years of product development and in - novation, our ompany has developed capabilities for the manufacture of full series of equip - ment for “ gray cast iron, heat - resistant nodular cast iron, vermicular cast iron and other materials

    通過數十年的科技創新和新品研發，已形成了灰口、耐熱、球墨、蠕墨等各種材質的「高、燒、焦」成套設備的綜合製造能力。
  9. The main reasons causing increased chilling tendency of nodular iron are as follows : using metal charge containing trace and alloy elements which can increase chilling tendency ; molten iron being holded at high temperature too long ; abnormal nodularizing and / or inoculation treatment, as well as abnormal composition control

    摘要引起球鐵白口傾向大的主要原因是：爐料穩定性差、電爐保溫、球化處理及鐵液成分控制和孕育處理出現異常。
  10. The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar

    研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。
  11. The damage threshold of nodular cast iron exists and increases with nodularity, but this threshold is always below the yield strength, which has related significant reference to the design of machinery structure and the choice of materials

    球墨鑄鐵存在著損傷閾值，其大小隨球化率提高而呈直線增大，但損傷閾值皆小於屈服強度，這一點對機械結構的設計和選材具有重要參考意義。
  12. In addition, instead of portal brake of j93 - 1000b model, the brake device of j93 - 1000c changes into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noises during the working of press. with cast steel as the material of slide, slide weight of j93 - 1000c model is increased 1 thousand kgs than j93 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j93 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former

    J93 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛度也增加剎車裝置由原j93 - 1000b型門剎車改為j93 - 1000c推板式剎車，制動可靠性大大提高，而且便於調整，平臺設計剛度增強降低了壓力機工作中的振動噪聲j93 - 1000c型滑塊支背材質鑄鋼j93 - 1000b型的為球墨鑄鐵而且j93 - 1000c型滑塊重量比j93 - 1000b型增加1000公斤， j93 - 1000c型機架立柱前後寬1000毫米比j93 - 1000b型機架立柱前後寬750毫米增加250毫米， j93 - 1000c機身重46 . 8噸， j93 - 1000b整體機身重38 . 5噸。
  13. In addition, instead of portal brake of j53 - 1000b model, the brake device of j53 - 1000c altered into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noise during the working of press. with cast steel as material of slide, slide weight of j53 - 1000c model is increased 1 thousand kgs than j53 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j53 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former

    J53 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛度也增加剎車裝置由原j53 - 1000b型門剎車改為j53 - 1000c推板式剎車，制動可靠性大大提高，而且便於調整，平臺設計剛度增強降低了壓力機工作中的振動噪聲j53 - 1000c型滑塊支背材質鑄鋼j53 - 1000b型的為球墨鑄鐵而且j53 - 1000c型滑塊重量比j53 - 1000b型增加1000公斤， j53 - 1000c型機架立柱前後寬1000毫米比j53 - 1000b型機架立柱前後寬750毫米增加250毫米， j53 - 1000c機身重46 . 8噸， j53 - 1000b整體機身重38 . 5噸。
  14. The quality control of cored - wire injection process used for production of as - cast ferrite nodular iron was described

    摘要介紹用喂線球化工藝生產優質鑄態鐵素體球墨鑄鐵的質量控制要點。
  15. Vermicular iron has graphite shape between flake graphite of gray iron and nodular graphite of nodular iron, tensile strength higher than that of gray iron by 70 %, and some lower than that of nodular iron, so is a sort of excellent material for structural parts

    摘要蠕墨鑄鐵的石墨形狀介於灰鐵的片狀石墨與球鐵的球狀石墨之間，抗拉強度高於灰鑄鐵70 % ，略低於球墨鑄鐵，是結構件的優良材料。
  16. Construction machinery and equipment. general specification for casting nodular graphite iron

    建築機械與設備.球墨鑄鐵件通用技術條件
  17. In order to avoid eutectic carbide, improve nodularity, increase nodule count and increase mechanical properties, three times of inoculations were adopted in the centrifugally cast nodular iron pipes production : a ) inoculation in ladle ; 2 ) pouring stream inoculation ; 3 ) in - mold inoculation

    摘要在離心鑄造球墨鑄鐵管生產中，為防止共晶滲碳體析出，改善球化，增加石墨球數，提高力學性能，採用了三次孕育： （ 1 ）包內孕育； （ 2 ）澆注時隨流孕育； （ 3 ）型內孕育。
  18. Abstract : it was verified through experiment and measurement that there was growth phenomenon taking place with nodular iron castings after graphitizing annealing at low temperature. the emergence mechanism and reason of the “ annealing growth nature ” was dicussed, and its prevention measures was proposed

    文摘:通過試驗和測試，證實了球鐵件經低溫石墨化退火后存在的生長現象，並對這種「退火生長性」產生的機理及原因進行探討，提出了防止措施。
  19. Abstract : this paper describs the smelting technology of high toughness nodular cast iron qt400 - 18 in cupola. the choice of raw material, chemical composition and the process of nodularization and inoculation is analyzed also. as a result, the reasonable semlting technology is determined to provide reliable gurantee for producing qualified casting

    文摘:本文闡述了在沖天爐熔煉條件下鑄態高韌性球墨鑄鐵qt400 - 18生產技術工藝，並對原材料選用、化學成份選擇、球化處理工藝、孕育處理工藝進行了分析研究，確定了合理的熔煉工藝，為生產合格材質鑄件提供可靠的保證。
  20. This study deals with the influence of rolling to strengthen the fatigue resistance nodular cast iron is less cost and easyer machining than steel, the fatigue resistance of crankshafts can be strengthen by useing deep rolling on the journals that be applied in the diesel instead of steel crankshaft. the study and information are limit in the literature about the roll internationally

    國內對球鐵曲軸強化工藝研究尚且不足，球鐵曲軸經過滾壓復合強化，應用於中重型車用柴油機的研究是目前國內曲軸強化研究的課題之一。針對這種情況，本文中對某六缸柴油機球鐵曲軸滾壓強化過程進行分析、試驗和研究。
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