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defgf24uw
Wysłany: Wto 17:33, 15 Lut 2011
Temat postu: true religion Water supply well design and drillin
,
true religion
Water supply well design and drilling technology
Four-part wire rope connector (see Figure 3-1). Pumping Flashlight is 4.5 ~ 55m long thick tube translated actinides. Spring steel cutting edge is welded into 12 blocks. T-shaped cutting edge board. The first layer of six. 04m away from the weld at the end of boots. Six second layer, the upper part of the first layer welding, and staggered with the first layer. Diameter smaller than the first layer of the second layer cutting edge cutting edge diameter. The bottom half of boots valve is installed in the pumping cylinder bottom of the cutting edge, pumping cylinder bottom boots with the same general, only half of the entire valve to valve,
tiffany schmuck
, the main role of drill cuttings from the suspension. Pumping cylinder and the drill rig used according to specifications of the weight type. cz a maximum opening diameter of 22 rig 1200ram, drill a total weight of 1000kg. General use outside diameter 355mm. Drawn seamless steel tubes made of thick 28ram simple drill. cz a maximum opening diameter of 300 rig 2000mm, drilling weight 2500kg. General use outside diameter 550mm, 30mm thick pipe translated drawn seamless tube drill actinides. B,
uggs ireland
, impact drill bit has a job l-shaped bit, cross drill two. The word drill bit at the factory set on the basis of welded (see Figure 3-2). Applicable to all kinds of strata,
timberland boots
, especially the gravel layer can be made higher drilling efficiency. Complement the scale of welders in Table 3-2 the word bit. Anonymous 3-2Z1991, No. 1 53 decline of groundwater Park 3-2 after welding unit-section scale drill: IRIRYABCDEXZ sediment sand, gravel cobblestone 595 902 001 025 ~ 1075500 ~ 65060. ~ 170.35. ~ 40.40. ~ 60.60. ~ 65. 10.49575175825 ~ 875 400 ~ 55 060. ~ 170.35. ~ 40.40. ~ 60.60. ~ 6510. 445751757o0 ~ 775350 ~ 5o060. ~ T70. 35. ~ 40.40. ~ 60. 60 ~ 65. 10. 39565150575 ~ 650300 ~ 4S060. ~ 170.35. ~ 40.40. ~ 60.60. ~ 65. 10.34550150475 ~ 550 250 ~ 35 060. ~ 170.35. ~ 40.40. ~ 60.60. ~ 65. 10.29550125404) ~ 475:00 ~ 30 060. ~ 170.35. ~ 4040. ~ 60.60. 65. l024550125350 ~ 425175 ~ 25060. ~ 170.35. ~ 40.40. ~ 60.60. ~ 65. 10.19545100300 ~ 375 150 ~ 20060. ~ '70. 35. ~ 40.40. ~ 60.60. ~ 65.10. (3) the impact of drilling weight and impact calculations. Drill the hole at the end of the impact and drill cutting edge shape, formation hardness. Drill bit diameter and eat the bottom shock is closely related to the depth of their relationship is (for workers. The word bit) h. D8K. KQ = 2P2s �� D '(3-31 (3-4) Where: Port - part of the weight of the drilling work. Kg; - hole stroke, cm; bottom edge of the bit length of coefficient. General S. = 1 .25 ~ 1.30D-- drill diameter: ��; h - drilling depth of the impact of time to eat. cm .. H �� thirty H - hour footage. cm; m - bottom edge of each one eat to enhance the depth of drilling the impact when the number of times: a - the impact of the number of rigs per minute boat: Jr = by +, - bit edge there; Bu bit of rock friction coefficient f = 015 ~ 0.4: K: 1: Mexico: Engineering - The total length of the drill, cm: - steel elastic modulus (transverse volume 1Ez2000000; one by one hole of the impact. examples: drill diameter of 35 ~ m, blade angle; 90.. drill base length of 5.5m, the rock ultimate compressive strength of 1000kg, the friction coefficient of 0.3. drill stroke j; 0.75m. hour footage of 300cm. BHA month = 40 red / rain, rushed 10 times for each drill deeper to the bottom eat a blade depth of drilling, find the weight of drilling. Solution: First calculate the depth and impact of time to eat and seven .;;!- 1.2s (c606040m) 'X ... ...; +,
oakley brillen
,; l5. +0.3 ; l_3 ��;+;= l-051 on behalf of ~ (3 - U (3 - 2) available: Port ~. x1_25249o (kg) 2x mouth. D'K a 2x1.25x35x1000xI3113750 (kg) weight of the drill required to 2490kg. The impact is 113750kg. (continued)
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