[fusion_builder_container type="flex" hundred_percent="no" hundred_percent_height="no" min_height_medium="" min_height_small="" min_height="" hundred_percent_height_scroll="no" align_content="stretch" flex_align_items="flex-start" flex_justify_content="flex-start" flex_column_spacing="" hundred_percent_height_center_content="yes" equal_height_columns="no" container_tag="div" menu_anchor="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" status="published" publish_date="" class="" id="" spacing_medium="" margin_top_medium="" margin_bottom_medium="" spacing_small="" margin_top_small="" margin_bottom_small="" margin_top="" margin_bottom="" padding_dimensions_medium="" padding_top_medium="" padding_right_medium="" padding_bottom_medium="" padding_left_medium="" padding_dimensions_small="" padding_top_small="" padding_right_small="" padding_bottom_small="" padding_left_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" link_color="" 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sticky_devices="small-visibility,medium-visibility,large-visibility" sticky_background_color="" sticky_height="" sticky_offset="" sticky_transition_offset="0" scroll_offset="0" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset="" filter_hue="0" filter_saturation="100" filter_brightness="100" filter_contrast="100" filter_invert="0" filter_sepia="0" filter_opacity="100" filter_blur="0" filter_hue_hover="0" filter_saturation_hover="100" filter_brightness_hover="100" filter_contrast_hover="100" filter_invert_hover="0" filter_sepia_hover="0" filter_opacity_hover="100" filter_blur_hover="0"][fusion_builder_row][fusion_builder_column type="1_1" align_self="auto" content_layout="column" align_content="flex-start" valign_content="flex-start" content_wrap="wrap" spacing="" center_content="no" link="" target="_self" link_description="" min_height="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" type_medium="" type_small="" order_medium="0" order_small="0" dimension_spacing_medium="" dimension_spacing_small="" dimension_spacing="" dimension_margin_medium="" dimension_margin_small="" margin_top="" margin_bottom="" padding_medium="" padding_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" hover_type="none" border_sizes="" border_color="" border_style="solid" border_radius="" box_shadow="no" dimension_box_shadow="" box_shadow_blur="0" box_shadow_spread="0" box_shadow_color="" box_shadow_style="" overflow="" background_type="single" gradient_start_color="" gradient_end_color="" gradient_start_position="0" gradient_end_position="100" gradient_type="linear" radial_direction="center center" linear_angle="180" background_color="" background_image="" background_image_id="" background_position="left top" background_repeat="no-repeat" background_blend_mode="none" render_logics="" filter_type="regular" filter_hue="0" filter_saturation="100" filter_brightness="100" filter_contrast="100" filter_invert="0" filter_sepia="0" filter_opacity="100" filter_blur="0" filter_hue_hover="0" filter_saturation_hover="100" filter_brightness_hover="100" filter_contrast_hover="100" filter_invert_hover="0" filter_sepia_hover="0" filter_opacity_hover="100" filter_blur_hover="0" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset="" last="no" border_position="all"][fusion_text columns="" column_min_width="" column_spacing="" rule_style="default" rule_size="" rule_color="" content_alignment_medium="" content_alignment_small="" content_alignment="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" margin_top="" margin_right="" margin_bottom="" margin_left="" font_size="" fusion_font_family_text_font="" fusion_font_variant_text_font="" line_height="" letter_spacing="" text_transform="none" text_color="" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset=""] Cermet is made of metal and ceramic materials. It has both the advantages of metal and the characteristics of ceramics. Because of its high toughness, high hardness, and high oxidation resistance, it is highly regarded in rockets and high-speed aircraft. The metal raw materials most commonly used to make cermets are iron, nickel, cobalt, etc. The most commonly used ceramic raw materials are oxides, silicides, borides, carbides, and nitrides. The production of cermet is also relatively simple. The firing method is the same as that of ceramics, except that the metal powder is mixed into the ceramic soil to produce different shapes according to requirements. What is the difference between ceramic blades and cermet blades? Ceramics have higher hardness than cermets, and cermets have better toughness than ceramics. The ceramic blade contains only ceramics, and the cermets are mixed with metal and ceramics. The cermets are for steel, cast iron, stainless steel finishing, semi-finishing Ceramic blades are new-type blades made of high-tech nanotechnology. The sharpness is more than ten times that of steel blades. Therefore, ceramic blades have the characteristics of high hardness, high density, high-temperature resistance, magnetization resistance, and oxidation resistance. The ceramic knife is developed using high-precision ceramic high voltage, so it is called a ceramic knife. Ceramic knives are known as "noble knives". As a product of modern high technology, they have advantages incomparable with traditional metal knives; they use high-tech nano-zirconia as raw materials, so ceramic knives are also called "zirconium gem knives". You can see it. What grinding wheel is better for cermet blades? First, the material of the abrasive must be diamond. For non-metallic hard and brittle materials, diamond is just against it. Secondly, the cermet blade you mentioned may be a toughened cutting ceramic material. Generally speaking, resin diamond is good at grinding hard and brittle materials, but hard and tough materials tend to heat up during grinding. Efficiency and wheel life are not good, Comprehensive consideration should be given to ceramic bonded diamond wheels, ceramic heat resistance, wheel life is good, and can ensure that the diamond is held under high cutting conditions, the high grinding efficiency is commonly used SDC wheels. At present, most ceramic knives on the market are processed with a nano material "zirconia". The zirconia + alumina powder was pressed into a mold blank with a weight of 300 tons, and then sintered at 2000 degrees Celsius. After grinding with diamond, it was equipped with a handle to make a finished ceramic knife. [/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

[fusion_builder_container type="flex" hundred_percent="no" hundred_percent_height="no" min_height_medium="" min_height_small="" min_height="" hundred_percent_height_scroll="no" align_content="stretch" flex_align_items="flex-start" flex_justify_content="flex-start" flex_column_spacing="" hundred_percent_height_center_content="yes" equal_height_columns="no" container_tag="div" menu_anchor="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" status="published" publish_date="" class="" id="" spacing_medium="" margin_top_medium="" margin_bottom_medium="" spacing_small="" margin_top_small="" margin_bottom_small="" margin_top="" margin_bottom="" padding_dimensions_medium="" padding_top_medium="" padding_right_medium="" padding_bottom_medium="" padding_left_medium="" padding_dimensions_small="" padding_top_small="" padding_right_small="" padding_bottom_small="" padding_left_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" link_color="" 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sticky_devices="small-visibility,medium-visibility,large-visibility" sticky_background_color="" sticky_height="" sticky_offset="" sticky_transition_offset="0" scroll_offset="0" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset="" filter_hue="0" filter_saturation="100" filter_brightness="100" filter_contrast="100" filter_invert="0" filter_sepia="0" filter_opacity="100" filter_blur="0" filter_hue_hover="0" filter_saturation_hover="100" filter_brightness_hover="100" filter_contrast_hover="100" filter_invert_hover="0" filter_sepia_hover="0" filter_opacity_hover="100" filter_blur_hover="0"][fusion_builder_row][fusion_builder_column type="1_1" layout="1_1" align_self="auto" content_layout="column" align_content="flex-start" valign_content="flex-start" content_wrap="wrap" spacing="" center_content="no" link="" target="_self" link_description="" min_height="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" type_medium="" type_small="" order_medium="0" order_small="0" dimension_spacing_medium="" dimension_spacing_small="" dimension_spacing="" dimension_margin_medium="" dimension_margin_small="" margin_top="" margin_bottom="" padding_medium="" padding_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" hover_type="none" border_sizes="" border_color="" border_style="solid" border_radius="" box_shadow="no" dimension_box_shadow="" box_shadow_blur="0" box_shadow_spread="0" box_shadow_color="" box_shadow_style="" overflow="" background_type="single" gradient_start_color="" gradient_end_color="" gradient_start_position="0" gradient_end_position="100" gradient_type="linear" radial_direction="center center" linear_angle="180" background_color="" background_image="" background_image_id="" background_position="left top" background_repeat="no-repeat" background_blend_mode="none" render_logics="" filter_type="regular" filter_hue="0" filter_saturation="100" filter_brightness="100" filter_contrast="100" filter_invert="0" filter_sepia="0" filter_opacity="100" filter_blur="0" filter_hue_hover="0" filter_saturation_hover="100" filter_brightness_hover="100" filter_contrast_hover="100" filter_invert_hover="0" filter_sepia_hover="0" filter_opacity_hover="100" filter_blur_hover="0" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset="" last="true" border_position="all" first="true"][fusion_text columns="" column_min_width="" column_spacing="" rule_style="default" rule_size="" rule_color="" content_alignment_medium="" content_alignment_small="" content_alignment="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" margin_top="" margin_right="" margin_bottom="" margin_left="" font_size="" fusion_font_family_text_font="" fusion_font_variant_text_font="" line_height="" letter_spacing="" text_transform="none" text_color="" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset=""]Steel ingots or billets are difficult to deform and process at room temperature. They are generally heated to 1100 to 1250°C for rolling. This rolling process is called hot rolling. The termination temperature of hot rolling is generally 800 to 900°C, and then it is generally cooled in air, so the hot rolling state is equivalent to normalizing treatment. Most steels are rolled by hot rolling. The steel delivered in the hot-rolled state has a certain degree of corrosion resistance due to the high temperature, so it can be stored in the open air. However, this layer of oxide scale also makes the hot-rolled steel surface rough and the size fluctuates greatly. Therefore, it is required to use hot-rolled semi-finished products or finished products as raw materials and then cold-rolled production of steels with smooth surface, accurate size and good mechanical properties.[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

[fusion_builder_container type="flex" hundred_percent="no" hundred_percent_height="no" min_height_medium="" min_height_small="" min_height="" hundred_percent_height_scroll="no" align_content="stretch" flex_align_items="flex-start" flex_justify_content="flex-start" flex_column_spacing="" hundred_percent_height_center_content="yes" equal_height_columns="no" container_tag="div" menu_anchor="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" status="published" publish_date="" class="" id="" spacing_medium="" margin_top_medium="" margin_bottom_medium="" spacing_small="" margin_top_small="" margin_bottom_small="" margin_top="" margin_bottom="" padding_dimensions_medium="" padding_top_medium="" padding_right_medium="" padding_bottom_medium="" padding_left_medium="" padding_dimensions_small="" padding_top_small="" padding_right_small="" padding_bottom_small="" padding_left_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" link_color="" 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sticky_devices="small-visibility,medium-visibility,large-visibility" sticky_background_color="" sticky_height="" sticky_offset="" sticky_transition_offset="0" scroll_offset="0" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset="" filter_hue="0" filter_saturation="100" filter_brightness="100" filter_contrast="100" filter_invert="0" filter_sepia="0" filter_opacity="100" filter_blur="0" filter_hue_hover="0" filter_saturation_hover="100" filter_brightness_hover="100" filter_contrast_hover="100" filter_invert_hover="0" filter_sepia_hover="0" filter_opacity_hover="100" filter_blur_hover="0"][fusion_builder_row][fusion_builder_column type="1_1" layout="1_1" align_self="auto" content_layout="column" align_content="flex-start" valign_content="flex-start" content_wrap="wrap" spacing="" center_content="no" link="" target="_self" link_description="" min_height="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" type_medium="" type_small="" order_medium="0" order_small="0" dimension_spacing_medium="" dimension_spacing_small="" dimension_spacing="" dimension_margin_medium="" dimension_margin_small="" margin_top="" margin_bottom="" padding_medium="" padding_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" hover_type="none" border_sizes="" border_color="" border_style="solid" border_radius="" box_shadow="no" dimension_box_shadow="" box_shadow_blur="0" box_shadow_spread="0" box_shadow_color="" box_shadow_style="" overflow="" background_type="single" gradient_start_color="" gradient_end_color="" gradient_start_position="0" gradient_end_position="100" gradient_type="linear" radial_direction="center center" linear_angle="180" background_color="" background_image="" background_image_id="" background_position="left top" background_repeat="no-repeat" background_blend_mode="none" render_logics="" filter_type="regular" filter_hue="0" filter_saturation="100" 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animation_direction="left" animation_speed="0.3" animation_offset=""]The roller is one of the most important parts of the rolling mill . The rolling parts are plastically deformed by the rotating rollers to roll out products that meet the required shape and dimensional accuracy. The other parts on the rolling mill are for installation, support, adjustment, and replacement The rollers and guide rollers are set to enter and exit the rollers correctly. The roll consists of roll body, roll neck, and shaft head. The roll neck is installed in the bearing, and the rolling force is transmitted to the stand through the bearing seat and the pressing device. The shaft head is connected to the connecting shaft to transmit rolling torque. There are three main types of shaft heads: plum blossom shaft heads, universal shaft heads, keyed or cylindrical shaft heads. There are many ways to classify rolls, mainly: (1) According to product type, there are strip steel rolls, section steel rolls, wire rolls, etc .; (2) According to the position of the roll in the rolling mill series, there are blanking rolls, rough rolling rolls, finishing rolls, etc .; (3) According to the roll functions, there are broken scale rolls, perforated rolls, and smoothing rolls; (4) According to the roll material, there are steel roll, cast iron roll, tungsten carbide roll, ceramic roll, etc .; (5) According to the manufacturing method, there are casting rolls, forging rolls, surfacing rolls, sleeve rolls, etc .; (6) According to the state of rolled steel, there are hot rolls and cold rolls. Various classifications can be combined to make the rolls have a clearer meaning, such as centrifugally cast high-chromium cast ironwork rolls for hot-rolled strip. 1. The characteristics of the roll work are: the roll is in direct or indirect contact with the rolled piece during the rolling process, forcing the plastic deformation of the rolled piece, so it bears a large rolling pressure, rolling torque and dynamic load. Especially during hot rolling, due to the high temperature of the rolling stock and the cooling of the roll with cooling liquid, the working conditions are extremely harsh, so there are strict requirements on the strength, stiffness, toughness, surface hardness, wear-resistance and roll shape of the roll to ensure Rolling quality and output. 2. The roller can be divided into: (1) Soft roller. Shore hardness is about 30-40, used in roughing machines for roughing machines and large section steel mills. (2) Semi-hard roller. Shore hardness is about 40-60, used in roughing mills of large, medium and small steel rolling mills and steel plate rolling mills. (3) Hard surface roller. Shore hardness is about 60-85, which is used for the roughing mill of thin plate, medium plate, medium section steel, and small section steel mill and the support roll of four-roll mill. 4) Extra hard roller. Shore hardness is about 85-100, used in cold rolling mills. What are the advantages of cold rolled ribbed steel? Cold rolled ribbed steel bars are rebar, Rebar is traditionally called and the standard scientific name is ribbed steel. It is divided into cold-rolled ribbed steel bars and hot-rolled ribbed steel bars. Usually hot rolled ribbed steel bar is called hot-rolled rebar or rebar. Cold rolled ribbed steel bars have the following advantages: 1. The steel has high strength, which can save construction steel and reduce engineering costs. ll550 grade cold-rolled ribbed steel bar compared with a hot-rolled round steel bar, used in cast-in-place structures (especially in building roofs) can save 35% -40% of steel. If you consider not using hooks, the steel savings are even greater. According to the current market price of steel, each ton of cold-rolled ribbed steel bar can save steel costs about RMB800. 2. The bonding and anchoring performance between cold-rolled ribbed steel bar and concrete is good. Therefore, it is used in components, which fundamentally eliminates the phenomenon of cracking in the anchorage area of the component and the destruction of the steel wire slippage, and improves the bearing capacity and crack resistance of the end of the component; Reinforcement is even smaller than hot-rolled rebar. 3. The elongation of the cold-rolled ribbed steel bar is larger than that of similar cold-worked steel. Why are there are ribs on the reinforcing steel bar? Steel bar is easy to see in daily life, if you carefully observed the difference between them? Is there anything special about the design of these steel bars? Of course there is! In fact, there is a kind of reinforced bar with striation called "deformed steel bar", also known as "ribbed steel bar" "deformed steel bar", also known as "ribbed steel bar", the corresponding is the "smooth round steel bar" without striation. This kind of pattern is called "transverse rib". The shape of transverse rib is spiral, herringbone and crescent 3 kinds. Cold rolling ribbed bars are bars with three or two horizontal ribbed bars evenly distributed along the length direction on the surface of hot-rolled disc bars after cold-rolled. The transverse rib on the steel bar is used to enhance the bonding performance between the steel bar and concrete, and to transfer the stress better. Simply put, it enables the steel bar and concrete to work better in coordination and bear external forces together. Rolled ribbed steel bar is commonly used in low carbon steel, which has good strength and toughness, and is widely used because of its high bond strength with coagulant. In general, cold-rolled ribbed bar is used in prestressed hollow slab, which can solve and improve some quality problems effectively. Cold rolling is the steel bar whose section is changed according to certain rules, which can improve its strength and adhesion with concrete. When the steel bar is rolling by ribbing rollers and roller holders, it deforms both longitudinally and transversally, so its plasticity and internal structure uniformity can be well maintained. It has obvious economic benefit to strengthen the steel bar by cold working in construction engineering. After cold rolling, the yield point of reinforcement can be increased by 20% ~ 25%. The yield point of cold-drawn steel wire can be increased by 40% ~ 60%. Thus, the design section of reinforced concrete structure can be reduced appropriately, or the number of reinforcement in concrete can be reduced, so as to achieve the purpose of saving steel. Cold rolling of reinforcement also facilitates the simplification of construction procedures. Cold-drawn steel rod can dispense with opening and straightening procedures; Cold drawing bar can be completed together with straightening, rust removal and other processes. Tungsten carbide roller are called TC roll / T.C. roller and are usually made in set of 3 rolls for rolling low carbon, medium carbon, high carbon smooth round steel bar and also the rollers for cold rolling ribbed bars. The rolls of size 125x82x15mm, 140x90x15mm, 150x90x15mm etc are the common sizes. The wire diameter of cold rolling ribbed bars is usually 3mm to 14mm. The rolled steel bars are widely used in houses, roads, bridges, tunnels and other infrastructure. What Does the Superscript R Mean for the Cold-Tie Ribbed Steel Symbol? Example CRB550—R here stands for ribbed steel bar, cool—cold, balls—rebar, In the upper right corner of the symbol Φ: S stands for steel strand P stands for stress-relieved light round steel wire H stands for stress relief spiral rib steel wire I stands for stress relief wire HT stands for heat-treated steel R stands for cold rolled ribbed. It's just a recognized symbol. The RRB400 symbol also has an R in the upper right corner, but the previous symbol is different. Like several symbols of hot rolled ribs, there is no meaning of words, only differences.[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

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type_small="" order_medium="0" order_small="0" dimension_spacing_medium="" dimension_spacing_small="" dimension_spacing="" dimension_margin_medium="" dimension_margin_small="" margin_top="" margin_bottom="" padding_medium="" padding_small="" padding_top="" padding_right="" padding_bottom="" padding_left="" hover_type="none" border_sizes="" border_color="" border_style="solid" border_radius="" box_shadow="no" dimension_box_shadow="" box_shadow_blur="0" box_shadow_spread="0" box_shadow_color="" box_shadow_style="" background_type="single" gradient_start_color="" gradient_end_color="" gradient_start_position="0" gradient_end_position="100" gradient_type="linear" radial_direction="center center" linear_angle="180" background_color="" background_image="" background_image_id="" background_position="left top" background_repeat="no-repeat" background_blend_mode="none" render_logics="" filter_type="regular" filter_hue="0" filter_saturation="100" filter_brightness="100" filter_contrast="100" filter_invert="0" filter_sepia="0" filter_opacity="100" filter_blur="0" filter_hue_hover="0" filter_saturation_hover="100" filter_brightness_hover="100" filter_contrast_hover="100" filter_invert_hover="0" filter_sepia_hover="0" filter_opacity_hover="100" filter_blur_hover="0" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset="" last="no" border_position="all"][fusion_text columns="" column_min_width="" column_spacing="" rule_style="default" rule_size="" rule_color="" content_alignment_medium="" content_alignment_small="" content_alignment="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" margin_top="" margin_right="" margin_bottom="" margin_left="" font_size="" fusion_font_family_text_font="" fusion_font_variant_text_font="" line_height="" letter_spacing="" text_color="" animation_type="" animation_direction="left" animation_speed="0.3" animation_offset=""] With the power of the nail-making machine, the highly durable carbon steel wire is drawn out and placed on the continuously rotating drum. After continuous pulling, the wire that has been sized is rolled up. By cutting with the machine, it becomes a truncated Rods, and then use electromagnets to suck them into the nail making machine, using nail gripper dies under the action of hydraulic pliers to make the pointed tail of the nail, and then use the press to use the other end of the pin punch to press out the nail head, Nail manufacturing is complete In engineering, carpentry and construction, nails refer to pointed hard metals (usually steel), which are used to fix wood and other objects. Hammers nail nails into objects, and there are also electric nail guns and gas nail guns. So nails can stabilize objects, they are hooked on them by their own deformation, and rely on friction. [/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]