Used Lathe-Mill Combination "Bürstenlos" for sale (17,214)

Condition: ready for operation (used), Year of construction: 2008, operating hours: 3,858 h, functionality: fully functional, turning length: 705 mm, turning diameter: 275 mm, travel distance X-axis: 260 mm, travel distance Z-axis: 795 mm, controller model: MSX-850III, TECHNICAL DETAILS Travel X-axis: 260 mm Travel Z-axis: 795 mm Turning length: 705 mm Max. turning diameter: 275 mm Swing over bed: 923.8 mm Swing over cross slide: 755 mm Bar work capacity diameter: 80 mm Upper turret Number of tool stations: 12 Main spindle Spindle speed: 4,000 rpm Spindle drive power: 18.5/18.5/15 kW (10 min/30 min/cont) Spindle nose: JIS A2-8 Tailstock Tailstock travel: 734 mm Taper: MT5 MACHINE DETAILS CNC control: MSX-850III Ledpfxsyz Aq Ij Akfsaa Dimensions & Weight Dimensions (L x W x H): 3,100 x 1,922 x 2,120 mm Weight: 5,800 kg Operating Hours Main spindle hours: 3,858 h Power-on hours: 21,543 EQUIPMENT Chip conveyor Tool measuring arm

Condition: ready for operation (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 110532, turning length: 1,980 mm, spindle bore: 105 mm, spindle speed (max.): 2,500 rpm, turning diameter over bed slide: 600 mm, controller model: Siemens 840DSL mit ShopTurn, TECHNICAL DETAILS Swing diameter over bed: 600 mm Distance between centers: 2,000 mm Turning length: 1,980 mm Spindle bore: 105 mm Speed: 2,500 rpm Power: 18.5 kW Ljdpoy Ex Hmjfx Akfjaa MACHINE DETAILS Control: Siemens 840DSL with ShopTurn Number of gear stages: 2

Condition: ready for operation (used), Year of construction: 1994, functionality: fully functional, machine/vehicle number: 14219, travel distance X-axis: 1,250 mm, travel distance Y-axis: 900 mm, travel distance Z-axis: 560 mm, spindle diameter: 75 mm, spindle speed (max.): 1,800 rpm, With digital display of travel distances! TECHNICAL DETAILS X-axis: 1,250 mm Y-axis: 900 mm Z-axis (or W-axis): 560 mm Spindle diameter: 75 mm Laodpfx Akjy Emq Tjfea Spindle speeds: 18–1,800 rpm Table size: 950 mm x 950 mm MACHINE DETAILS Weight: 10,000 kg EQUIPMENT Accessories shown in the photos, including tools, tool cabinets, and clamping devices

Condition: ready for operation (used), Year of construction: 2018, functionality: fully functional, machine/vehicle number: 7001203, turning diameter over cross slide: 438 mm, spindle bore: 152 mm, turning diameter over bed slide: 860 mm, center width: 2,300 mm, spindle speed (max.): 680 rpm, bed width: 510 mm, TECHNICAL DETAILS Centre distance: 2,300 mm Swing diameter over bed: 860 mm Swing diameter over cross slide: 438 mm Lajdpsy Edw Rofx Akfja Bed width: 510 mm Spindle mounting: A2-11 Spindle bore: 152 mm Spindle speed range: 8 - 680 rpm Number of speeds: 12 Tailstock quill diameter: 120 mm Tailstock quill travel: 165 mm Quill taper: MT6 MACHINE DETAILS Motor power: 22 kW

Condition: ready for operation (used), Year of construction: 2005, operating hours: 19,229 h, functionality: fully functional, machine/vehicle number: 8043943123C, turning length: 1,050 mm, turning diameter: 465 mm, travel distance X-axis: 300 mm, travel distance Z-axis: 1,050 mm, controller model: Siemens 840 D, TECHNICAL DETAILS Turning diameter: 465 mm Turning length: 1,050 mm Swing diameter: 680 mm Laedsy D I Ttspfx Akfja Chuck diameter: 325 mm X-axis travel: 300 mm Z-axis travel: 1,050 mm Spindle speed range: 3,500 rpm Rapid traverse X/Z: 30 m/min MACHINE DETAILS Control: Siemens 840 D Number of tool positions: 12 positions Tool holder: VDI 40 Weight: 7,500 kg Operating hours Spindle hours: 19,229 h Power-on hours: 81,347 h Note: The machine can be inspected under power upon request.

Condition: ready for operation (used), Year of construction: 2010, operating hours: 5,002 h, functionality: fully functional, turning length: 424 mm, turning diameter: 370 mm, travel distance X-axis: 380 mm, bar passage: 52 mm, controller model: FANUC FS-31iA5 (MAPPS 4), TECHNICAL DETAILS Turning length: 424 mm Maximum turning diameter: 370 mm (270 mm with turret 2) Bar capacity: 52 mm Turn-mill spindle Laedpfx Aksy Edc Hefea Full indexing specifications: Yes X-axis travel: 380 mm Y-axis travel: ±105 mm Z-axis travel: 460 + 155 mm (ATC) B-axis: ±120º Spindle speed: 12,000 rpm Drive power: 9/5.5 kW Tool magazine Magazine positions: 38 Tool holder: Capto C5 Maximum tool length: 250 mm (210 mm for tools under Ø70 mm) Maximum tool diameter: Ø70/Ø130 mm (with/without adjacent tools) Maximum tool weight: 5 kg Lower Turret X-axis travel: 155 mm Z-axis travel: 610 mm Number of tool stations: 10 Tool rotational speed: 6,000 min⁻¹ Driven tool power: 1.5/1.2 kW Main Spindle Spindle speed: 6,000 rpm Drive power: 11/7.5 kW Spindle bore: 73 mm Chuck type: Hollow chuck (8") Manufacturer: KITAGAWA Spindle nose: JIS A2-5 Maximum torque: 223 Nm Sub Spindle Spindle speed: 1,000 rpm BW axis: 4 fixed positions, 0º, -30º, -180º (-225º for overhang to conveyor, if equipped) MACHINE DETAILS Control: FANUC FS-31iA5 (MAPPS 4) Potential rated output: 39.24 kVA Dimensions & Weight Dimensions (L x W x H): 2,705 x 2,425 x 2,385 mm Weight: 8,800 kg Operating Hours Powered on: 54,061 hours Spindle 1 operating hours: 9,813 hours Spindle 2 operating hours: 5,002 hours EQUIPMENT Chip conveyor Signal lamp High-pressure pump Air blower outside the spindle Foot switch (double) for main and sub spindle

Condition: ready for operation (used), Year of construction: 2015, functionality: fully functional, machine/vehicle number: 5752, travel distance X-axis: 1,250 mm, travel distance Y-axis: 540 mm, travel distance Z-axis: 520 mm, spindle speed (max.): 2,000 rpm, table length: 1,800 mm, TECHNICAL DETAILS Travel X-axis: 1,250 mm Travel Y-axis: 540 mm Travel Z-axis: 520 mm Main spindle power: 7.5 kW Spindle speed: 275 - 2,000 rpm Table length: 1,800 mm Table width: 400 mm MACHINE DETAILS Control manufacturer: Heidenhain Number of axes: 3 Tool holder: BT50 Power: 12.0 kW Dimensions & Weight Dimensions (L x W x H): 2100 x 2100 x 2200 mm Weight: 3,600 kg EQUIPMENT Laedpfx Aoy Avvaokfoa Tools

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, machine/vehicle number: X3936002, turning length: 1,500 mm, turning diameter: 600 mm, TECHNICAL DETAILS Turning length: 1,500 mm Laedjy Dgnpopfx Akfoa Turning diameter: 600 mm

Condition: excellent (used), Year of construction: 1990, functionality: fully functional, travel distance X-axis: 1,600 mm, travel distance Y-axis: 920 mm, travel distance Z-axis: 950 mm, spindle diameter: 128 mm, controller model: HEIDENHAIN iTNC530, The machine was overhauled and modernized in 2005. Repairs were carried out in 2025. The following work was performed: - Cleaning of the machine - Overhaul and adjustment of machine geometry - Overhaul of machine functionality - Overhaul of electrical equipment - Overhaul of hydraulics and lubrication - Backlash compensation and drive optimization - Replacement of guideway wipers Laedpfxoy Edl Us Akfsa - Repair of the telescopic cover - Overhaul of the CHOV-K 10 bar tool cooling system - Overhaul of the AVN40 tool changer TECHNICAL DETAILS Main spindle diameter: 128.57 mm Tool holder: ISO 50 Spindle speed range: 5,000 rpm Travel X-axis: 1,600 mm Travel Y-axis: 920 mm Travel Z-axis: 950 mm Clamping surface of table: 850 x 850 mm (850 x 1,600 mm including additional supports) Table load capacity: 3,000 kg MACHINE DETAILS Control: HEIDENHAIN iTNC530 EQUIPMENT - Handwheel - SIEMENS motors and drives - CNC table - full B-axis control - CHOV-K 10 bar - through-spindle cooling – emulsion - ATC40 - automatic tool changer - Operator console protected against chips and coolant - Workpiece cover

Condition: ready for operation (used), Year of construction: 1983, operating hours: 8,529 h, functionality: fully functional, travel distance X-axis: 1,200 mm, travel distance Y-axis: 1,120 mm, travel distance Z-axis: 950 mm, table load: 3,000 kg, spindle diameter: 100 mm, The machine was modernised and overhauled in 2002! TECHNICAL DETAILS Working spindle diameter: 100 mm Spindle speed range: 1,800 rpm Taper: ISO 50 Spindle travel (W): 630 mm Lsdsy Edgfjpfx Akfeaa Travel X-axis: 1,200 mm Travel Y-axis: 1,120 mm Travel Z-axis: 950 mm Table clamping surface: 1,000 mm x 1,120 mm Table load capacity: 3,000 kg MACHINE DETAILS Control system: HEIDENHAIN TNC426 Motors and drives: SIEMENS Operating hours (as displayed): Control system on-time: 37,038 h Machine operating time: 30,987 h Program run time: 8,529 h Spindle run time: 12,156 h EQUIPMENT Handwheel: HR410

Condition: ready for operation (used), Year of construction: 1999, functionality: fully functional, machine/vehicle number: 144205, turning length: 2,500 mm, controller model: MAZATROL PC-Fusion CNC 640MT, Equipment: chip conveyor, TECHNICAL DETAILS Turning length: 2,500 mm MACHINE DETAILS Control: MAZATROL PC-Fusion CNC 640MT Tool magazine: 30 tool stations EQUIPMENT High-pressure coolant system Driven tools Chip conveyor Lodoy Dp Acopfx Akfsaa Measuring probe/tool measurement Steadies (lunettes) Note: A minor repair has been carried out on the machine. The repair certificate is attached.

Condition: ready for operation (used), functionality: fully functional, travel distance X-axis: 5,300 mm, travel distance Y-axis: 1,500 mm, travel distance Z-axis: 2,000 mm, spindle speed (max.): 1,800 rpm, table length: 7,000 mm, TECHNICAL DETAILS Travel range X-axis: 5,300 mm Travel range Y-axis: 1,500 mm Travel range Z-axis: 2,000 mm Lodpfjy Dg I Nex Akfsaa Table size: 7,000 x 1,000 mm Tool holder: SK 50 Spindle speeds: 12.5 – 1,800 rpm Spindle motor: 22 kW Feed rate range: 6 – 10,000 mm/min Rapid traverse: 15 m/min Number of tool changer positions: 24 MACHINE DETAILS Total power requirement: 70 kW Dimensions & Weight Space requirements: approx. 8.7 x 4.7 x 4.1 m Machine weight: approx. 30 t EQUIPMENT Electronic handwheel Automatic swivelling milling head, vertical/horizontal 2 x 180° Milling head swivels automatically in the rear axis 72 x 5° Automatic tool changer (ATC 24) Coolant system Extended cross travel (Y-axis) 1,500 mm Extended vertical travel (Z-axis) 2,000 mm

Condition: ready for operation (used), Year of construction: 2008, functionality: fully functional, turning length: 1,585 mm, turning diameter: 300 mm, controller model: Siemens 840D Powerline, number of slots in tool magazine: 120, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Turning length: 1,585 mm Turning diameter: 300 mm Tool magazine capacity: 120 positions MACHINE DETAILS Control: Siemens 840D Powerline EQUIPMENT Sub spindle C-axis Hollow clamping device (diameter 68 mm) on main spindle, left Measuring device with probe Lajdpey Dqtijfx Akfoa Oil mist separator

Condition: good (used), Year of construction: 2007, operating hours: 27,896 h, functionality: fully functional, machine/vehicle number: 2101-0171, turning diameter: 20 mm, rotational speed (max.): 10,000 rpm, torque: 14 Nm, Equipment: bar feeder, chip conveyor, TECHNICAL DATA Max. turning diameter: 20 mm Tool body diameter: 20 mm Laodpfx Asy Dr S Hekfja Spindle positioning resolution: 0.1° Main spindle Rated power: 3.7 kW Maximum power: 5.5 kW Torque: 14 Nm Rated torque: 9.4 Nm Speed: 10,000 rpm Axis data Linear axis Z1 / X1 / Z1 – Stroke: 80 / 35 / 240 mm Linear axis Z1 / X1 / Z1 – Rapid traverse (max.): 40 m/min Linear axis Z1 / X1 / Z1 – Acceleration (max.): 10 m/s² Linear axis Z1 / X1 / Z1 – Nominal force: 1,250 N Linear axis Z2 / X2 – Stroke: 180 / 230 mm Linear axis Z2 / X2 – Rapid traverse (max.): 40 m/min Linear axis Z2 / X2 – Acceleration (max.): 10 m/s² Linear axis Z2 / X2 – Nominal force: 1,250 N Tool holder Number of fixed tools (internal): 6 Diameter: 20 mm Number of fixed tools (external): 4 Tool shank size: 12 × 12 mm Number of driven tools: 4 Collet type: ESX 16 MACHINE DETAILS Control: Fanuc 16iT Machine dimensions (L × W × H): 2,275 × 1,300 × 1,760 mm Weight: 2,600 kg Connected load: 21 kVA Power-on hours: 85,620 h Operating hours: 27,896 h EQUIPMENT - Bar feeder FMB Turbo 3-36 / 4200 / A, year of manufacture 2007 - Coolant tank with chip conveyor - Central lubrication - Hand-held control unit - Documentation available

Condition: ready for operation (used), Year of construction: 2019, operating hours: 2,770 h, functionality: fully functional, machine/vehicle number: NL257181158, turning length: 705 mm, travel distance X-axis: 260 mm, travel distance Y-axis: 50 mm, travel distance Z-axis: 795 mm, swing diameter over cross slide: 742 mm, swing diameter over bed slide: 920 mm, TECHNICAL DETAILS Working Area Swing diameter over bed max.: 920 mm Swing diameter over cross slide max.: 742 mm Turning length max.: 705 mm Bar capacity: 80 mm X-axis travel: 260 mm Y-axis travel: 50 mm Z-axis travel: 795 mm Main Spindle Power: 18.5/15 kW Max. speed: 4,000 rpm Chuck size: 10 inch Spindle bore: 91 mm Front bearing diameter: 140 mm Sub Spindle Power: 11/7.5 kW Max. speed: 4,000 rpm Chuck size: 6 inch Spindle bore: 45 mm Front bearing diameter: 85 mm Turret and Axes Tool stations: 12 Tool shank cross-section: 25 mm Max. driven tool speed: 10,000 rpm Rapid traverse X-axis: 30,000 mm/min Rapid traverse Y-axis: 10,000 mm/min Rapid traverse Z-axis: 30,000 mm/min Rapid traverse B-axis: 30,000 mm/min MACHINE DETAILS Control: M730UM with CELOS Lasdpey A Nf Iofx Akfsa Operating hours: 2,770 h Power-on hours: 10,820 h Dimensions & Weight Machine height: 2,000 mm Installation dimensions: 3,347 x 2,106 mm Weight: 5,820 kg EQUIPMENT Y-axis Sub spindle Main spindle with 10-inch chuck Sub spindle with 6-inch chuck Chip conveyor High-pressure coolant system Tool measuring system Parts catcher Workpiece ejector Interface for bar loader

Condition: good (used), Year of construction: 1997, Manufacturer: Line Type: Seramill 240 Lasdpfx Aeyf A H Nekfja Control: NUM 750 Travel X: 6000 mm Travel Y: 2500 mm Travel Z: 950 mm Column spacing: 2400 mm Table: 6000 x 2100 mm Automatic milling head: 2.5° Spindle speed: 3200 rpm Feed rate: 10 m/min Machine weight: approx. 35 tons

Condition: used, Year of construction: 2013, turning diameter 110 mm turning length 450 mm control Siemens Lodpfxjyuzfve Akfsaa weight of the machine ca. 9000 kg

Condition: used, Max. turning diameter: 650 mm Min. turning diameter: 200 mm Laedpovk T S Asfx Akfoa Max. turning length: 4000 mm Max. workpiece weight: 10 tons Center height: 400 mm Faceplate diameter: 650 mm Speed: 1 - 58.4 rpm Drive power: 45 HP Tailstock

Condition: new, functionality: fully functional, Year of construction: 2026, Microsilica, also known as silica fume or condensed silica fume, is a byproduct of producing silicon metal or ferrosilicon alloys. Microsilica powder grinding mills are used to process microsilica powder for various applications, including the production of high-performance concrete, refractory materials, and other specialty products. Grinding mills play a crucial role in reducing microsilica particles to the desired fineness. Here are some key aspects related to microsilica powder grinding mills: Laedpfx Ajq Nxp Sokfoa 1. Mill Types: - Ball Mill: A traditional ball mill is commonly used for grinding microsilica. It relies on the impact and attrition forces to reduce particle size. It is effective for both wet and dry grinding. - Vertical Roller Mill (VRM): VRM technology is known for its energy efficiency and the ability to grind materials into a narrow particle size distribution. It is suitable for grinding microsilica. 2. Grinding Process: - The grinding process involves feeding microsilica particles into the grinding mill. The grinding media (balls or rollers) inside the mill crush and grind the microsilica particles into a fine powder. 3. Particle Size Distribution: - Controlling the particle size distribution is crucial for achieving the desired properties in the final product. The grinding mill should be equipped with mechanisms to control and monitor particle size distribution. 4. Mill Design and Components: - The design of the grinding mill, including the type of grinding media, liners, and the grinding chamber, influences the efficiency and performance of the milling process for microsilica. 5. Air Classification (Optional): - In some cases, air classification systems are integrated into the grinding process to separate fine particles from coarser ones, ensuring a more uniform product. 6. Control Systems: - Advanced grinding mills often come with automated control systems to regulate various parameters such as feed rate, mill speed, and product fineness. 7. Material Handling: - Efficient material handling systems are essential to transport microsilica to and from the grinding mill. This may involve pneumatic or mechanical conveying systems. 8. Cooling Systems: - Grinding processes generate heat, and efficient cooling systems are often integrated to maintain the temperature within a controlled range. 9. Dust Collection: - Microsilica powder grinding can produce airborne dust. Dust collection systems are necessary to maintain a clean and safe working environment. 10. Quality Assurance: - Grinding mills for microsilica should be equipped with quality assurance features, such as in-line particle size analysis, to ensure consistency in the final product. When selecting a microsilica powder grinding mill, factors such as production capacity, energy efficiency, and the required particle size distribution should be considered. Additionally, mills should be chosen based on the specific characteristics of the microsilica being processed and the intended application of the final product.

Condition: new, Year of construction: 2026, functionality: fully functional, Ball Mill with Air Classifier: The Ultimate Powder Processing Equipment In the world of industrial powder production, precision, efficiency, and flexibility are paramount. Whether producing ultra-fine powders for high-tech applications or coarser materials for everyday products, the combination of a Ball Mill with Air Classifier offers unparalleled performance. This dynamic duo provides a comprehensive solution for industries ranging from chemicals and ceramics to paints, plastics, and pharmaceuticals. This article introduces the ball mill with an air classifier, explores its applications, and highlights the key advantages of this essential powder equipment. General Introduction to Ball Mill with Air Classifier ball mill with air classifier is an advanced grinding and classification system designed for efficient, high-quality powder production. The system consists of two main components: 1. Ball Mill: A cylindrical grinding device filled with grinding media (such as steel balls) that operates by rotating around its axis. The raw material is reduced to smaller particle sizes through impact and friction within the mill. 2. Air Classifier: A sophisticated device that separates particles based on size using airflow. Fine particles are carried away, while coarser particles are returned to the ball mill for further grinding. The combination of these two components creates a closed-loop system that ensures consistent particle size distribution, high efficiency, and minimal waste. Applications of Ball Mill with Air Classifier The ball mill with air classifier is a versatile solution used in a wide range of industries to process various materials. Key applications include: 1. Mineral Processing The system is widely used in the production of minerals such as calcium carbonate, quartz, feldspar, and talc. These finely ground minerals are essential for industries like ceramics, paints, plastics, and rubber. 2. Cement and Construction Materials Cement and other construction materials require precise particle size control for optimal performance. The ball mill with air classifier ensures uniformity and enhances the quality of construction materials. 3. Chemicals and Pharmaceuticals Laodpfxsvlwkxs Akfsa Fine powders play a critical role in the chemical and pharmaceutical industries. From active pharmaceutical ingredients (APIs) to industrial chemicals, this system delivers the consistent quality required for these applications. 4. Paints, Coatings, and Pigments The production of paints and coatings demands ultra-fine powders to achieve smooth finishes and vibrant colors. The ball mill with air classifier produces high-quality powders for superior results. #### 5. Food and Agriculture Food-grade powders such as additives, preservatives, and agricultural products like fertilizers can be efficiently processed using this system, meeting stringent regulatory requirements. Industries That Benefit from Ball Mill with Air Classifier Several industries rely on the capabilities of this system to produce fine powders with specific characteristics: - Ceramics: Produces high-purity powders for tiles, insulators, and advanced ceramics. - Rubber and Plastics: Creates fillers and additives for improved durability and performance. - Pharmaceuticals: Ensures consistent particle size for APIs and excipients. -Construction: Delivers materials for concrete, plaster, and other applications.

Condition: like new (used), Year of construction: 1987, Vertical Turning Lathe SC43 CNC - Retrofitted and Upgraded with CNC Fanuc 0i-TF Plus Manufactured by TITAN, Romania Year of manufacture: 1987 Completely retrofitted in 2026 Main Technical Data: - Face Plate Diameter: 4000 mm - Max. Swing: 4300 mm - Max. Height Under Crossrail: 2060 mm - Maximum Admissible Load: 18,000 kg Laedpoy A Iifjfx Akfoa - Faceplate Speed Range: 1-92 rpm - Feed Range: 0.05-5 mm/rev - Rapid Feed of Carriages: 2500 mm/min - Main D.C. Motor Power: 55 kW (Siemens) with Siemens Driver - Machine Weight: approx. 63 tons New Components Installed: - Complete new electrical equipment with Schneider, Shrack, Siemens components and new cabinet - New control panel - New micro switches - New hydraulic pump and components - New lubrication pump for guideways, complete new installation - New CNC Fanuc 0i-TF Plus The gearbox has been inspected and refurbished with new bearings. The machine has been freshly painted. We offer a 6-month warranty on parts. For further information, please contact us.

Condition: excellent (used), functionality: fully functional, Balestrini Mini-C 2500mm Linear Copy Milling Machine Model MINI-C Working table length: 2500 mm Two milling units, one per side Lasdpey Ew Ehjfx Akfsa Milling motor: 2 x 5.5 kW Maximum tool height: 120 mm Heads included Hydraulic table feed, steplessly adjustable Pneumatic clamps for units and material Number of material clamps: 5 pcs.

Condition: used, functionality: fully functional, Metal milling machine Gualdoni E50 Table length: 1400 mm Ledjy Eqdhepfx Akfjaa Y-axis: 300 mm Z-axis: approx. 450 mm Spindle motor power: 4 kW

Condition: excellent (used), functionality: fully functional, OMA COSBO 120 Grinder for Turned Parts Working length: 1200 mm Two grinding units Ljdsy Elw Eepfx Akfoaa Polishing brushes with oscillation Template-based operation

Condition: good (used), Year of construction: 1982, VERTICAL TURNING LATHE SC22 Year of manufacture: 1982 Manufacturer: I.M. ROMAN (Romania) Main technical data: - Table diameter: 2000 mm - Max. swing: 2200 mm - Max. workpiece height: 1500 mm - Max. workpiece weight: 12000 kg - Table speed range: 2–92 rpm - Vertical travel (Z axis) of rail head: 1200 mm - Main motor, DC type: 55 kW - Machine weight approx. 31000 kg Accessories: 4 jaws for faceplate Ljdeyzxafjpfx Akfjaa The machine is under power. For more details please contact us.