郵件中的答復：
Our company planning to have ball mill, to grind silica sand size 1-3.5mm to 20 Micron, capacity is 4 Ton/H, with air classifier D97, and the full system.
我公司計劃購買球磨機來粉磨硅砂,粒度從1-3.5mm粉磨至20微米,產量4噸/時，我們還需要空氣分離器D97和全套系統。
I want you to guarantee the performance of your machinery, also I need very good price taking in mind that I have many good price quotation.
All motors will be 60~ and 380V, Liner and balls will be high alumina or ceramic .
in your offer please be very clear and details with all the technical information.
我需要你們保證機械的性能，也希望你們提供最優的報價。所有電機60~和380V。襯板和球面是高鋁或者陶瓷的。你們的報價須包括詳細的技術參數。
Also Please:
1- Please mention the technical detail of the tube mill you are offering
請提供磨機詳細的技術參數。
i) The thickness of the mill body
磨機主體厚度
答復：磨機筒體厚度為34mm
ii) No of compartment
隔倉數
答復：一倉。
iii) The driving system
驅動系統
答復：電機型號：YR630-10，560kW/IP23/380V/60HZ（西安西瑪電機）
減速機：MBY630 I=5.6（南高齒）
iv) Lubrication system for the girth gear and bearing
大齒輪和軸承潤滑系統
答復：大齒輪為油浸式自帶油潤滑。主軸承為干油泵定期注加潤滑脂。
v) Type of bearing supporting the mill in both side
支撐磨機兩端的軸承型號
答復：外球面調心雙滾珠磨機專用軸承SL0549/1400，SL0649/1400
vi) Liner specification of the mill
磨機襯板規格
答復：高鋁瓷磚（≮92%），厚度60mm
2- Drives of the equipment for the mill, classifier, belt conveyors ….etc.
磨機，選粉機，皮帶運輸機等的設備驅動.
I. Brand of the motors and type電機品牌和型號
II. Rated power and running power required額定功率和運行功率
III. Motor protection grade like IP電機防護等級
3- Conveying system capacity運輸系統容量
4- Please indicate your grantees figures like the following
I. System rated capacity and running hours per day and running days per year系統額定產量，每天的運行多少小時，每年運行多少天
i. Power consumption for the complete grinding plant shall not exceed 40 Kwh/tone
整套粉磨站電力消耗不超過40 Kwh/tone
答復：140kwh/tone
ii. Wear rate in grinding ball please specify in ---gm/tone
磨球磨損率--gm/tone
iii. Wear rate in the liners of the tube mill in ----gm/tone
磨機襯板磨損率---gm/tone
iv. What will be the residue percentage above the 20 micron product ( grantees figure )
高于20微米產品殘余量
